"In the thrilling sequel to The Fourth Monkey, a new serial killer stalks the streets of Chicago, while Detective Porter delves deeper into the dark past of the Four Monkey Killer. Detective Porter and the team have been pulled from the hunt for Anson Bishop, the Four Monkey Killer, by the feds. When the body of a young girl is found beneath the frozen waters of Jackson Park Lagoon, she is quickly identified as Ella Reynolds, missing three weeks....

In the riveting conclusion of the 4MK trilogy, Barker takes the thriller to an entirely new level. Don't miss a single word of the series James Patterson called "ingenious." Hear No Evil For Detective Sam Porter, the words "Father, forgive me" conjure memories long forgotten; a past intentionally buried. For Anson Bishop, these three words connect a childhood to the present as he unleashes a truth concealed for decades. See No Evil Found written on...

A baffling string of murders throughout the country leads Detective Garrett Dobbs and FBI Agent Jessica Gimble to the family of two Ivy League intellectuals who raised their adopted children in a traumatizing experimental environment.

"On his first night with Detroit PD, Officer Walter O'Brien is called to a murder scene. A terrified twenty-year-old has bludgeoned her kidnapper with skill that shocks even O'Brien's veteran partner. The young woman is also a brilliant escape artist. Her bold flight from police custody makes the case impossible to solve, and, for Walter, even more impossible to forget. By the time Walter's promoted to detective, his fascination with the missing,...