In this thriller from the author of Jurassic Park, Sphere, and Congo, a group of young scientists travel back in time to medieval France on a daring rescue mission that becomes a struggle to stay alive. 1 NEW YORK TIMES BESTSELLER Compulsive reading . . . brilliantly imagined.—Los Angeles Times In an Arizona desert, a man wanders in a daze, speaking words that make no sense. Within twenty-four hours he is dead, his body swiftly cremated by his only known associates. Halfway around the world, archaeologists make a shocking discovery at a medieval site. Suddenly they are swept off to the headquarters of a secretive multinational corporation that has developed an astounding technology. Now this group is about to get a chance not to study the past but to enter it.