THIS MESSAGE IS BROUGHT TO YOU IN PARTNERSHIP WITH SCRIBNER.

In this enthralling psychological thriller, private investigator Holly Gibney returns to help a friend stave off 14 murders. The Buckeye City Police Department has received a disturbing letter from a person threatening to “kill thirteen innocents and one guilty” in “an act of atonement for the needless death of an innocent man".

Can Holly and friend Detective Izzy Jaynes stop the letter writer before they make their claims into reality?