How can you stop a serial killer who has been dead for a hundred years? The nail-biting new thriller in the #1 New York Times bestselling Agent Pendergast series.

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 inf ...