James Rollins 
Doomsday Key [EPUB ebook] 
A Sigma Force Novel

James Rollinsknows adventure.Chicago Sun Times With The Doomsday Keythelatest Sigma Force blockbuster from New York Timesbestselling author James Rollinsthe critically acclaimed thrill-master continues to dazzle with an electrifying combination of history, religion, science, and adventure. The hero of Map of Bones, The Black Order, and other exceptional Rollins roller-coaster rides, Commander Pierce returns to solve a centuries-old secret, one coded in prophecies of doomin a story that fans of Michael Crichton, Douglas Preston, and Indiana Jones will not be able to put down!