From Jonathan Kellerman, the #1 New York Times-bestselling author and master of psychological suspense, and Jesse Kellerman, the international #1 bestselling author of The Genius, comes one of the most remarkable novels of the year.

A burned-out L.A. detective . . . a woman of mystery who is far more than she seems . . . a grotesque, ancient monster bent on a mission of retribution. When these three collide, a new standard of suspense is born.

The legend of the Golem of Prague has endured through the ages, a creature fashioned by a sixteenth-century rabbi to protect his congregation, now lying dormant in the garret of a synagogue. But the Golem is dormant no longer.

And for Detective Jacob Lev the mystery of how he spent last night pales in comparison the one he's about to be called upon to solve.