How can you stop a serial killer who has been dead for a hundred years?
FBI Special Agent A. X. L. Pendergast always wants to protect his protegee Constance Greene from harm. But, against all odds, Constance has found a way to travel back in time. Heading to New York City in the late 1800s, Constance returns to the century of her birth to embark on a dangerous quest: stopping the era's most infamous serial killer, Dr. Enoch Leng, from bringing his nefarious plans to fruition.
If Constance can stop Dr. Leng, she can finally prevent the events that led to the shocking deaths of her sister and brother... but can she survive herself, when up against one of the cleverest and most evil men of his age?
'Simply brilliant!' Lisa Gardner on Preston & Child
The nail-biting new thriller in the #1 New York Times bestselling Agent Pendergast series, perfect for fans of Clive Cussler and James Rollins.

Douglas Preston writes about archaeology for the New Yorker and National Geographic magazines, as well as novels and nonfiction works (such as The Lost City of the Monkey God). With Lincoln Child, he writes international #1 bestselling thrillers, including the Agent Pendergast adventures.