Tucker Wayne’s past and his present collide when former army colleague Jane Sabatello comes to him for help. She’s on the run from brutal assassins hunting her and her son. To keep them safe, Tucker must determine who killed a mutual friend, a brilliant young idealist—a crime that Tucker discovers leads back to the most powerful figures in the U.S. government.
From the haunted swamplands of the deep South to the beachheads of a savage civil war in Trinidad, Tucker and his beloved war dog, Kane, must work together to uncover the truth behind a mystery that traces back to World War II, involving the genius of a young code-breaker named Alan Turing. The threat of this enigmatic and dangerous secret has repercussions that could change our world forever . . . and redefine what it means to be human.

Portrait

James Rollins is the #1 New York Times bestselling author of international thrillers that have been translated into more than forty languages. His Sigma series has been lauded as one of the “top crowd pleasers” (New York Times) and one of the “hottest summer reads” (People magazine). In each novel, acclaimed for its originality, Rollins unveils unseen worlds, scientific breakthroughs, and historical secrets—and he does it all at breakneck speed and with stunning insight. He lives in the Sierra Nevada.