Is The Fourth Monkey a standalone or part of a series?

The Fourth Monkey is the first book in J.D. Barker's 4MK Thriller series, followed by The Fifth to Die, The Sixth Wicked Child, and The First Scarlet Door. It does tell a complete story on its own, but the overarching hunt for the killer continues across the later books.

Did The Fourth Monkey win any awards?

The Fourth Monkey was a nominee (semifinalist) for the 2017 Goodreads Choice Award for Mystery & Thriller. It did not win the award.

The Fourth Monkey

Crime Thriller

Pages: 448
Published: 2017
Language: English

Synopsis

For over five years, the Four Monkey Killer has terrorized Chicago. When his body is found, police realize he was on his way to deliver one final message, proving he has taken another victim who may still be alive. Detective Sam Porter, lead investigator on the 4MK task force, discovers a personal diary in the killer's pocket, pulling him into the mind of a psychopath. Porter must unravel a twisted history to find the last girl, all while battling his own personal demons.