The doomsday key

James Rollins, the New York Times bestselling master of nail-biting suspense and historical mystery, combines cutting-edge biotechnology with a centuries-old secret in an apocalyptic story that reveals where humankind is truly headedThe Doomsday KeyAt Princeton University, a famed geneticist dies inside a biohazard lab. In Rome, a Vatican archaeologist is found dead in St. Peter's Basilica. In Africa, a U.S. senator's son is slain outside a Red Cross camp. The three murders on three continents bear a horrifying connection: all the victims are marked by a Druidic pagan cross burned into their…