When Nic, a slave in the mines outside of Rome, is forced to enter a sealed cavern containing lost treasures of Julius Caesar, he finds himself in possession of an ancient amulet filled with magic once reserved for the Gods, and becomes the center of a conspiracy to overthrow the emperor and destroy Rome.

New York Times Bestseller
A New York Times Notable Book
Named one of the Best Books of the Year by the Wall Street Journal, the Economist, Foreign Affairs, and Kirkus Reviews
Finalist for the National Book Critics Circle Award (Nonfiction)
Shortlisted for the Cundill Prize in Historical Literature
Finalist for the Los Angeles Times Book Prize (History)
A San Francisco Chronicle Holiday Gift Guide Selection
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Geronimo Stilton travels back in time to try and stop the Pirate Cats from infliltrating the Roman Senate and taking credit for building Rome's largest amphitheater, the Colosseum.