464 pages | Trade Paperback

From #1New York Timesbestselling author James Rollins, the latest riveting and suspenseful thriller in the Sigma Force series, told with his trademark blend of cutting edge science, historical mystery, and pulse-pounding action.

Rollins is one of the most inventive storytellers writing today.Lincoln Child

For eons, the city of Troywhose legendary fall was detailed in HomersIliadwas believed to be myth, until archaeologists in the nineteenth century uncovered its ancient walls buried beneath the sands. If Troy was real, how much of Homers twin tales of gods and monsters, curses and miraclesThe IliadandThe Odysseycould also be true and awaiting discovery?

In the frozen tundra of Greenland, a group of modern-day researchers stumble on a shocking find: a medieval ship buried a half-mile below the ice. The ships hold contains a collection of artifactstools of wardating back to the Bronze Age. Inside the captains cabin is a clockwork gold map imbedded with an intricate silver astrolabe. Once activated, the moving map traces the path of Odysseuss famous ship as it sailed away from Troy. But the route detours as the map opens to reveal a fiery river leading to a hidden realm underneath the Mediterranean Seathe subterranean world of Tartarus, the Greek name for Hell.

When word of Tartarus spreads, the phantasmagoric horrors found in Homers tales are all too realand whoever possesses them can use their awesome power to control the future of humanity.

Now, Sigma Force must prevent a tyrant from igniting a global war and cross the very gates of Hell.