Book overview Dirk Pitt, Book 27 Dirk Cussler

The Corsican Shadow Study Companion

Spoiler Note: This guide contains detailed summaries and analysis of The Corsican Shadow that reveal key plot points, including the ending. If you prefer to read the book first, bookmark this page and return later.

Quick Facts

Detail Information
Full Title Clive Cussler The Corsican Shadow
Author Dirk Cussler
Series Dirk Pitt Adventures
Series Number 27
Publication Year 2023
Genre Techno-thriller, Adventure
Setting English Channel, Paris, Irish Sea, Bermuda, New York City, Martinique
Narrator Third-person omniscient
Main Antagonists Henri Nassar, Yves Villard

Short Summary

Dirk Pitt and Al Giordino discover uncut diamonds on a sunken WWII ferry in the English Channel, triggering a deadly chain of events. When the gems are stolen and a NUMA captain is murdered, Pitt pursues the thieves into a far larger conspiracy. A shadowy corporation called Lavera Exploration, led by CEO Yves Villard and commando leader Henri Nassar, is sabotaging desalination plants and water infrastructure worldwide to create a freshwater monopoly. Pitt's children, Summer and Dirk Jr., are drawn into separate perilous investigations—Summer uncovers a radioactive waste salvage operation and is taken captive, while Dirk Jr. is framed for terrorism in Paris. The diamond trail intertwines with a historical secret: Napoleon Bonaparte's remains were smuggled from France during WWII and hidden abroad. Pitt must rescue his children, stop a radiological attack on New York City's water supply, and solve a centuries-old mystery that stretches from the French submarine Surcouf to a slave cemetery in Martinique.

Full Summary

The Corsican Shadow opens with a prologue that establishes the novel's dual-timeline structure, connecting a WWII diamond-smuggling operation to a present-day maritime investigation. The main narrative begins in April 2025 when Dirk Pitt leads a NUMA survey off the Normandy coast. A near-collision with a sailing regatta causes the sonar fish to snag on an uncharted wreck. Pitt and Giordino dive to recover the equipment and discover the sunken ferry Cornwall, sunk during World War II. Aboard, they find two aluminum cases—one containing destroyed documents, the other holding dozens of envelopes addressed to a diamond merchant in Antwerp, each containing small uncut diamonds.

The discovery attracts attention. A local reporter named Raoul Vogel photographs the stones aboard the Pelican. That night, Vogel returns with a gun, steals the cases, and murders Captain Harvey Boswick. Pitt chases Vogel to a warehouse in Le Havre, where he and Giordino are captured by a commando squad led by Henri Nassar. Nassar executes Vogel for jeopardizing the mission, then forces Pitt and Giordino into fatigues and announces they will be used as suicide bombers.

Nassar's team transports the captives to Paris with a truckload of Formex P1 plastic explosives. At the Choisy-le-Roi water treatment plant, Nassar kills a guard and plants a bomb, rigging the captives' truck to simulate a suicide bombing. Pitt frees himself enough to drive the truck away under gunfire. After a harrowing chase through Paris, he plunges the vehicle into the Seine River moments before the bomb detonates underwater. He and Giordino are rescued by a riverboat captain, then exonerated by French police Captain Charles Lufbery.

Meanwhile, the mastermind behind the attacks is revealed. Yves Villard, CEO of Lavera Exploration, faces financial ruin after his drug-smuggling fleet is impounded. He has pivoted to a water monopoly scheme, sabotaging desalination plants worldwide to create scarcity and force nations to buy his infrastructure solutions. Nassar's team has already struck the Sorek Desalination Plant in Israel and is preparing attacks in Egypt, Greece, Italy, India, and the United States. The Paris attack was meant to be blamed on a fictional terrorist group called the New Caliphate.

The recovered diamonds prove to be industrial-grade bort, nearly worthless. A letter from the Antwerp Diamond Bank reveals that the real gemstone-quality diamonds were shipped separately on another vessel, the Avignon. Pitt's team locates the Avignon wreck, but finds only vintage racing engines—no diamonds. The trail leads to a Normandy farm where Eduard Martin's nephew reveals that a museum curator, Marcel Demille, arranged for valuable cargo to be shipped to Bermuda in 1940.

A parallel plotline follows Summer and Dirk Pitt Jr. aboard the NUMA vessel Nordic Star in the Irish Sea. They respond to a Mayday call and discover a sunken cabin cruiser with bullet-riddled occupants. Nearby, a suspicious pipe-laying ship called the Chamonix arouses their suspicion. A subsequent dive reveals the Chamonix is salvaging radioactive waste drums from a Cold War-era shipwreck, the Cardiff. Summer and Dirk Jr. track the Chamonix to the Isle of Wight, where Dirk is captured while Summer hides inside a truck carrying yellow containers of radioactive material.

Dirk is transported to Paris, where Nassar drops him—bound and tied to a radioactive barrel—into the Réservoir de Montsouris, a massive water storage facility. He frees himself underwater, disarms two explosives, and surfaces, only to be arrested by French police. Meanwhile, Summer remains trapped aboard the oil tanker Mont Blanc. She survives by stealth, eventually painting "SOS NUMA" on the ship's stern bollards. When the Mont Blanc rendezvouses with a decrepit cruise ship called the Hydros, Summer escapes in the Mont Blanc's emergency lifeboat—only to be recaptured by Nassar's men aboard the Hydros.

The historical mystery deepens when Pitt, Giordino, and Brigitte use ground-penetrating radar at Les Invalides in Paris and discover Napoleon Bonaparte's sarcophagus is empty. Research reveals that curator Marcel Demille smuggled Napoleon's remains to Bermuda in 1940, then onto the French submarine Surcouf, which vanished in the Caribbean in February 1942. The code name "Jean d'Éppé" ("John of the Sword") was a reference to Napoleon himself.

Nassar's plan escalates toward a climax in New York City. He intends to detonate radioactive waste and explosives aboard the Hydros in the Hudson River, poisoning the water supply for a thousand years. He also sends commandos to destroy Shaft 6-B, a critical component of the Delaware Aqueduct that supplies New York City's drinking water. Dirk Pitt Jr., now released from prison, races to intercept the Hydros with Al Giordino and a team of West Point cadets.

At Shaft 6-B, Pitt and Giordino fight their way through the warehouse. Pitt dives onto a descending elevator carrying crates of CL-20 explosives and battles Nassar's second-in-command, Hosni Samad, in the shaft. Samad falls to his death while Pitt survives. Meanwhile, aboard the drifting Hydros, Pitt boards the vessel and finds Summer handcuffed on the bridge. He frees her, tosses a timed explosive crate overboard, and beaches the ship on Dennings Point before it explodes. The radioactive cargo is contained.

The final act shifts to the Caribbean. Pitt and Giordino, aboard the NUMA ship Havana, locate the wreck of the Surcouf using autonomous underwater vehicles. A dive reveals the submarine's crushed hull but no sarcophagus. Maritime historian St. Julien Perlmutter deciphers a clue from Demille's postcards: "Little Guinea" refers to La Pagerie plantation in Martinique, the birthplace of Joséphine Bonaparte. Napoleon's remains were buried there in a slave cemetery.

Nassar, having tracked the NUMA team, boards the Havana and takes Giordino and archaeologist Noriku hostage. Pitt, thrown overboard during the assault, swims to an inflatable boat and boards Nassar's support vessel, the Moselle. He reveals the Martinique location in exchange for the crew's safety. At La Pagerie, Pitt and Giordino are forced to excavate a grave. Under the cover of French police and Rudi Gunn's arrival, Giordino knocks out the last gunman with a shovel. The grave contains an oversized coffin and two aluminum cases marked with Eduard Martin's initials—the lost Waterloo diamonds.

In a final confrontation, Nassar pursues Giordino into a brick factory. Pitt sabotages a propane tank, and when Nassar corners Giordino in the dark, Pitt ignites the gas with a flare. The explosion kills Nassar. Villard, cornered by Corsican mobster Jules LeBoeuf over his unpaid debts, signs over his assets before shooting LeBoeuf and himself in a Le Havre warehouse.

Four weeks later, Napoleon is reinterred at Les Invalides in a state ceremony. Pitt and Giordino receive the Legion of Honour. The Waterloo diamonds, sold anonymously for $57 million, fund the expansion of a children's orphanage in Martinique. The novel ends with Pitt driving off in a vintage Bugatti, the adventure complete.

Main Characters

Dirk Pitt

Director of NUMA who discovers uncut diamonds on the Cornwall wreck. Pitt leads the investigation across multiple continents, survives a truck bomb in Paris, rescues his daughter from a radioactive-laden cruise ship, and ultimately locates Napoleon's hidden tomb and the lost Waterloo diamonds. Full character profile →

Al Giordino

Pitt's loyal friend and NUMA Director of Underwater Technology. Giordino provides physical strength, engineering expertise, and comic relief throughout the adventure. He survives the Paris bombing, fights commandos aboard the Chamonix and at Shaft 6-B, and delivers the final shovel blow that frees them at the Martinique grave site. Full character profile →

Summer Pitt

Dirk Pitt's daughter and NUMA Special Projects Director. Summer discovers the radioactive waste salvage operation in the Irish Sea, endures captivity aboard the Mont Blanc tanker and Hydros cruise ship, and escapes to warn of the Hudson River contamination plot. Her painted "SOS NUMA" signal on the tanker's stern enables her rescue. Full character profile →

Dirk Pitt Jr.

Dirk Pitt's son who investigates the Chamonix with Summer, is captured at the Isle of Wight, and is framed for terrorism in Paris. He survives being dropped into the Montsouris Reservoir with a radioactive barrel and later helps his father intercept the Hydros in New York. Full character profile →

Henri Nassar

The commando leader and mastermind executing the false-flag water attacks. A former French Foreign Legion soldier, Nassar orchestrates sabotage operations from Israel to New York while hunting for the lost Napoleon diamonds. He is killed when Pitt ignites a propane explosion in a Martinique brick factory. Full character profile →

Yves Villard

CEO of Lavera Exploration who finances a global water monopoly scheme through drug smuggling and mafia loans. Villard orders infrastructure sabotage worldwide to create water scarcity. After his plans collapse, he signs over his assets to Corsican mobster Jules LeBoeuf, then shoots LeBoeuf and himself in a Le Havre warehouse. Full character profile →

Themes

Water Scarcity as a Weapon

The novel centers on the deliberate sabotage of desalination plants and water treatment facilities. Villard's scheme to monopolize freshwater resources by creating global crises reflects real-world anxieties about water security. Explore this theme →

Historical Mystery and Legacy

A WWII-era conspiracy involving Napoleon's remains, stolen diamonds, and the sunken submarine Surcouf intertwines with the present-day plot. The dual-timeline narrative reveals how a small group of French officials and diamond merchants conspired to protect national treasures from Nazi occupation. Explore this theme →

Family Loyalty and Rescue

The Pitt family's bond drives much of the action. Pitt races to save his children from dire situations—Dirk Jr. from a Paris prison, Summer from captivity at sea. The children themselves demonstrate resourcefulness and courage under extreme pressure. Explore this theme →

Corporate Greed Masked as Progress

Lavera Exploration presents a legitimate business face while financing mercenaries and sabotage. Villard's water solutions appear benevolent on the surface, but the company's methods reveal the corruption behind infrastructure exploitation and the willingness to cause mass casualties for profit. Explore this theme →

Improvised Survival Against Overwhelming Force

Characters repeatedly escape captivity or combat using makeshift tools—a cigarette lighter to burn through bindings, a forklift as a battering ram, a crane cable as a bullwhip, stacked tires as a defensive barrier. The theme emphasizes resourcefulness over brute strength. Explore this theme →

Symbols

The Empty Sarcophagus

When Pitt's team scans Napoleon's tomb at Les Invalides with ground-penetrating radar, they find it vacant—no nested coffins inside. The empty sarcophagus symbolizes the hidden truth of the past and confirms the historical conspiracy: Napoleon's remains were secretly moved during WWII. Explore this symbol →

Uncut Diamonds

The initial discovery of industrial-grade bort diamonds appears valuable but proves nearly worthless—a deceptive prize that costs Captain Boswick his life. The later recovery of the genuine Waterloo diamonds from Martinique represents a true, enduring legacy, ultimately funding an orphanage. Explore this symbol →

The Surcouf Submarine

The lost French submarine serves as a symbolic coffin, carrying the secret of Napoleon's route and the diamonds' true location. Resting on the ocean floor for over eighty years, it guards a national mystery until NUMA finally locates the wreck. Explore this symbol →

Radioactive Waste Drums

The stolen drums of Cold War-era nuclear waste represent a toxic, durable threat—a physical manifestation of Villard's plan to poison the environment for a millennium. The faded radiation trefoil on each drum symbolizes the hidden danger lurking beneath seemingly ordinary salvage operations. Explore this symbol →

Ending Overview

The novel concludes with multiple resolutions across several locations. In Martinique, Nassar is killed when Pitt ignites a propane explosion in a brick factory. In Le Havre, Villard signs over his remaining assets to Corsican mobster Jules LeBoeuf before pulling a hidden pistol and shooting LeBoeuf, a guard, and himself—all three die on the warehouse floor as French police arrive.

Napoleon receives a state reinterment at Les Invalides, with Pitt and Giordino attending as newly decorated recipients of the Legion of Honour. The Waterloo diamonds, left anonymously in Martinique, are sold for $57 million and used to fund the Caribbean Children's Rescue orphanage, with a stipulation that a man named Pitt be invited to lecture each year on the anniversary of Joséphine and Napoleon's marriage.

Brigitte, who betrayed NUMA by manipulating the survey for Villard's pipeline project, receives a minimal sentence due to her cooperation. The French president thanks NUMA for locating offshore freshwater aquifers, and Pitt drives away in a vintage Bugatti Type 57C—a lighthearted farewell that echoes the series' tradition of classic automobiles. Read the full ending breakdown →

Chapter-by-Chapter Summaries

Below is a linked table covering every chapter in The Corsican Shadow. Click any link to read a detailed summary.

Chapter Title/Description
1 Titles by Clive Cussler — Bibliography of Cussler's works across all series
2 Cast of Characters — Full character and vessel list organized by era and affiliation
3 Prologue — Historical hook establishing the Napoleonic-era intrigue
4 Chapter 1 — Nassar's commandos attack the Sorek Desalination Plant in Israel
5 Chapter 2 — Pitt leads a NUMA survey off Normandy; sonar fish lost but snags a wreck
6 Chapter 3 — Pitt and Giordino dive the Cornwall wreck and recover uncut diamonds
7 Chapter 4 — Vogel photographs the diamonds; Captain Boswick is murdered in a theft
8 Chapter 5 — Pitt and Giordino chase the thief to a Le Havre warehouse
9 Chapter 6 — Nassar executes Vogel and forces Pitt and Giordino into suicide bomber fatigues
10 Chapter 7 — Pitt drives the explosives-laden truck out of the Paris water plant
11 Chapter 8 — High-speed chase through Paris; truck heads toward the Eiffel Tower
12 Chapter 9 — Pitt plunges the truck into the Seine; bomb detonates underwater
13 Chapter 10 — Riverboat captain rescues Pitt and Giordino; SWAT arrives
14 Chapter 11 — French police exonerate the men; diamonds are revealed as nearly worthless
15 Chapter 12 — Villard's financial crisis and his water monopoly scheme are exposed
16 Chapter 13 — Sabotage at Egypt's Bahr El-Baqar waterworks destroys a farmer's crops
17 Chapter 14 — Letter reveals the real gemstone diamonds were on the Avignon
18 Chapter 15 — The Avignon wreck yields racing engines but no diamonds; divers are attacked
19 Chapter 16 — Industrial spy Claude Bouchet steals NYC water vulnerability report, kills commissioner
20 Chapter 17 — Villard secures a 30-million-euro loan from Corsican mob underboss LeBoeuf
21 Chapter 18 — Jeweler confirms the stones are worthless bort; Villard orders accelerated operations
22 Chapter 19 — Summer and Dirk Jr. discover a sunken cabin cruiser and the suspicious Chamonix
23 Chapter 20 — Dive reveals radioactive waste drums in the Cardiff wreck
24 Chapter 21 — The trail leads to a Normandy farm and a hidden 1939 Bugatti Type 57C
25 Chapter 22 — Villard learns the diamonds went to Bermuda aboard the Jupiter; plans radioactive spill in Paris
26 Chapter 23 — Summer identifies the Cardiff as a secret nuclear waste disposal vessel
27 Chapter 24 — Dirk boards the Chamonix; Summer hides in a truck bound for the Channel Tunnel
28 Chapter 25 — Summer slips out of the truck before the doors close; Dirk is marched onto the tanker
29 Chapter 26 — Postcards reveal "Jean d'Éppé" is Napoleon; his remains were smuggled from France
30 Chapter 27 — Summer infiltrates the Mont Blanc using an improvised grappling hook
31 Chapter 28 — Dirk escapes the supply locker, overpowers a crewman, and steals the Shearwater ferry
32 Chapter 29 — Forklift escape and ferry theft on the River Medina
33 Chapter 30 — Summer is trapped aboard the Mont Blanc as it sails; she hides in a locked cabin
34 Chapter 31 — Dirk races a hydrofoil to Folkestone to intercept the Channel Tunnel train
35 Chapter 32 — Gunfight aboard the Channel Tunnel train; guard is killed
36 Chapter 33 — Dirk uses a rolling truck to disable one gunman; is ambushed by the second
37 Chapter 34 — Ground-penetrating radar reveals Napoleon's sarcophagus at Les Invalides is empty
38 Chapter 35 — Dirk is dropped into the Montsouris Reservoir tied to a radioactive barrel
39 Chapter 36 — Dirk disarms two bombs underwater and surfaces, only to be held at gunpoint
40 Chapter 37 — Napoleon's tomb is opened before French officials; Pitt learns his son is arrested
41 Chapter 38 — Dirk is held at La Santé Prison; Pitt searches for Summer
42 Chapter 39 — Summer survives by stealth aboard the Mont Blanc, painting an SOS signal
43 Chapter 40 — Villard orders abandonment of the French project; pivots to the American operation
44 Chapter 41 — Brigitte reveals she manipulated NUMA's survey for Villard; Nassar is her lover
45 Chapter 42 — Pitt and Giordino track the Chamonix to Antwerp using satellite imagery
46 Chapter 43 — Infiltration of the Chamonix; discovery of pipeline route charts; crossfire ambush
47 Chapter 44 — Pitt uses crane cable and pipe pallet as improvised weapons to escape the Chamonix
48 Chapter 45 — Summer dons a disguise and paints "SOS NUMA" on the Mont Blanc's stern
49 Chapter 46 — Brigitte and Nassar learn from Rapine's diaries that the Surcouf carried the cargo
50 Chapter 47 — Summer discovers the Mont Blanc's free-fall lifeboat and plans her escape
51 Chapter 48 — Hiram Yaeger locates the Mont Blanc via satellite; "SOS NUMA" signal confirmed
52 Chapter 49 — Nassar sends Brigitte to the Azores; boards the Hydros for a nighttime rendezvous
53 Chapter 50 — Summer launches the lifeboat and sends a Mayday; taken aboard the Hydros
54 Chapter 51 — Summer is recaptured; Nassar learns her identity and decides to keep her as a hostage
55 Chapter 52 — Coast Guard boards the Mont Blanc; Summer is gone; lifeboat rack is empty
56 Chapter 53 — Brigitte boards the Moselle in the Azores; crew hostility alarms her
57 Chapter 54 — Perlmutter identifies the Surcouf as the vessel that carried Napoleon from Bermuda
58 Chapter 55 — The dual quest: rescue Summer and find Napoleon's tomb aboard the Surcouf
59 Chapter 56 — NUMA uncovers Lavera's offshore aquifer scheme; New York City is the next target
60 Chapter 57 — Nassar interrogates Summer and reveals his plan to poison the Hudson River
61 Chapter 58 — Villard hides in a Le Havre flat, paranoid and isolated
62 Chapter 59 — Nassar plants an explosive on a decoy barge in Long Island Sound
63 Chapter 60 — Port Authority detects radioactive cesium and strontium at Throgs Neck Bridge
64 Chapter 61 — Pitt and Giordino conduct aerial survey of NYC water infrastructure
65 Chapter 62 — The decoy barge is captured; Pitt deduces the Hydros is the real threat
66 Chapter 63 — Summer sees Yankee Stadium; the Hydros enters the Hudson River
67 Chapter 64 — Pitt and Giordino fly a helicopter up the Hudson, tracking the Hydros
68 Chapter 65 — The helicopter is shot down; crash-lands near West Point
69 Chapter 66 — Captain Cruz and West Point cadets join Pitt and Giordino
70 Chapter 67 — Summer is left handcuffed on the bridge as the Hydros drifts toward a bridge
71 Chapter 68 — The commandeered Chris-Craft pursues the terrorists toward Shaft 6-B
72 Chapter 69 — Engineer Steven Schauer escapes a massacre at the Rondout Bypass facility
73 Chapter 70 — Terrorists load CL-20 explosive into Shaft 6-B to collapse the Delaware Aqueduct
74 Chapter 71 — Nassar prepares the detonators as gunfire erupts outside
75 Chapter 72 — Assault on Shaft 6-B; two cadets killed; Pitt dives onto the descending elevator
76 Chapter 73 — Giordino fights commandos; Cruz kills the last one; Nassar escapes
77 Chapter 74 — Pitt battles Samad in the elevator; both tumble into the shaft
78 Chapter 75 — Pitt survives; Samad's detonator satchel explodes; race to the river resumes
79 Chapter 76 — Pitt rescues Summer from the Hydros; ship explodes on Dennings Point
80 Chapter 77 — Brigitte locates the Surcouf wreck; Nassar arrives, defeated, then revives at the news
81 Chapter 78 — AUVs locate the Surcouf; Pitt orders a manned dive
82 Chapter 79 — Submersible dive finds the Surcouf crushed; no sarcophagus aboard
83 Chapter 80 — Nassar orders an at-sea strike; abandons Brigitte's submersible
84 Chapter 81 — Perlmutter deciphers "Little Guinea" as Martinique; Napoleon was buried there
85 Chapter 82 — Nassar's commandos board the Havana using a Jacob's ladder
86 Chapter 83 — Pitt ambushes a commando on the starboard deck; both fall overboard
87 Chapter 84 — Nassar takes Giordino and Noriku hostage at gunpoint
88 Chapter 85 — Pitt survives the overboard fall; swims after an inflatable boat
89 Chapter 86 — Pitt seizes the inflatable, throws the commando overboard, and boards the Moselle
90 Chapter 87 — Pitt reveals he knows the diamonds' location to save the hostages
91 Chapter 88 — Nassar destroys the Havana's radios and transfers captives to the Moselle
92 Chapter 89 — Pitt reveals the Martinique location; Nassar threatens execution if wrong
93 Chapter 90 — Captain Lowden contacts NUMA; Gunn learns the commandos are heading to Martinique
94 Chapter 91 — Brigitte visits the captives, expressing regret for her betrayal
95 Chapter 92 — The Moselle enters Fort-de-France Bay; French customs intercepts
96 Chapter 93 — Pitt and Giordino flee the pickup truck near La Pagerie estate
97 Chapter 94 — Pitt creates a tire barricade at a used-tire facility
98 Chapter 95 — Tire avalanche ambush disables a commando; Pitt fools Nassar with "Oui"
99 Chapter 96 — Nassar stalks Giordino through a brick factory, tracking a blood trail
100 Chapter 97 — Pitt sabotages a propane tank, filling the warehouse with gas
101 Chapter 98 — Giordino eludes Nassar in the darkened factory; lights go out
102 Chapter 99 — Pitt ignites the propane with a flare; Nassar is killed in the explosion
103 Chapter 100 — Pitt and Giordino navigate Martinique back roads to find La Pagerie
104 Chapter 101 — The Waterloo diamonds are unearthed from the slave cemetery
105 Chapter 102 — Villard's murder-suicide with LeBoeuf in a Le Havre warehouse
106 Chapter 103 — Napoleon is reinterred; Pitt and Giordino receive the Legion of Honour
107 Chapter 104 — The diamond-funded orphanage expansion; annual lecture invitation for Pitt
108 About the Authors — Biographies of Clive Cussler and Dirk Cussler

Frequently Asked Questions

1. What is The Corsican Shadow about?

The novel follows Dirk Pitt as he uncovers a conspiracy to monopolize global freshwater supplies through sabotage of desalination plants and water infrastructure. The investigation begins with the discovery of uncut diamonds on a WWII shipwreck and expands into a historical mystery involving Napoleon Bonaparte's missing remains, stolen gemstones, and the sunken French submarine Surcouf. Read more Q&A →

2. Is Napoleon's tomb really empty in the book?

Yes. When Pitt's team scans the sarcophagus at Les Invalides with ground-penetrating radar, they find it contains no coffins at all—impossible given Napoleon was buried in six nested coffins. The novel's historical conspiracy reveals that museum curator Marcel Demille secretly moved Napoleon's remains to Bermuda in 1940 to protect them from Nazi occupation, then onto the submarine Surcouf.

3. Where are Napoleon's remains finally located?

They are buried in the slave cemetery at La Pagerie plantation in Martinique, the ancestral home of Joséphine Bonaparte. The code name "Little Guinea" from Demille's postcards refers to the plantation's nickname. The Surcouf made a clandestine stop there in 1942 before its disappearance.

4. Who are the main villains?

Henri Nassar is the field commander, a former French Foreign Legion soldier who leads the commando squads carrying out water infrastructure attacks worldwide. Yves Villard is the CEO of Lavera Exploration who finances the scheme through drug smuggling and a loan from Corsican mobster Jules LeBoeuf. Both are killed by the novel's end—Nassar in a propane explosion in Martinique, Villard in a murder-suicide with LeBoeuf.

5. What happens to the diamonds?

The initial discovery on the Cornwall ferry proves to be industrial-grade bort, worth only about €2,500. The real prize—the gemstone-quality Waterloo diamonds—is found in Martinique, hidden with Napoleon's remains. The diamonds are sold anonymously for $57 million and donated to the Caribbean Children's Rescue orphanage.

6. Does Summer escape captivity?

Yes. After being held aboard the Mont Blanc tanker and the Hydros cruise ship, Summer is rescued by her father when he boards the Hydros in the Hudson River. He frees her from handcuffs on the bridge, tosses a timed explosive overboard, and beaches the ship before it detonates.

7. What is the "Corsican Shadow" of the title?

Napoleon Bonaparte was born in Corsica and was nicknamed "the Corsican." The "shadow" refers to the hidden secret of his empty tomb and the clandestine movement of his remains during World War II—a historical mystery that casts a shadow over the present-day events of the novel.

8. What water infrastructure is attacked in the book?

The targets include the Sorek Desalination Plant in Israel, the Bahr El-Baqar waterworks in Egypt's Sinai, the Choisy-le-Roi treatment plant in Paris, and Shaft 6-B of the Delaware Aqueduct in New York. The planned Hudson River contamination would have poisoned the water supply for "a thousand years," according to Nassar.

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