‘The Fourth Monkey has one of the most ingenious openings that I’ve read in years. This thriller never disappoints.’
James Patterson

‘Superbly constructed and immaculately paced, this is one of the few serial killer thrillers that bears comparison with Thomas Harris’s 1981 masterpiece Red Dragon.’
The Daily Mail

‘A talented writer with a delightfully devious mind.’
Jeffery Deaver

‘Not since Hannibal Lecter had a friend for dinner has a serial killer been so skillfully rendered on the page.’
Taylor Elmore, Writer/Producer of Justified and Limitless

‘A labyrinth of madness and a macabre charnel house of mirrors, The Fourth Monkey is a 1st-rate, devilish thriller.’
Eric Rickstad, New York Times bestselling author of The Names Of Dead Girls

‘Gripping, addictive, and devilishly clever. From its opening salvo The Fourth Monkey grabs you and never lets go. J. D. Barker is a stunning new talent.’
Barry Lancet, award-winning author of Tokyo Kill and Pacific Burn

‘A chillingly delicious page-turner.’
New York Times Bestselling Author, Kelley Armstrong

‘Creepy, scary… and impossible to put down! The Fourth Monkey is everything a thriller should be—a must read!’
Heather Graham, New York Times bestselling author

‘Gritty, masterful suspense. A dark ride into the mind of a genius killer, and those tasked with stopping him for good. Impeccably written with Barker’s trademark wit and penchant for killer detail. Lee Child, you've met your match.’
Tosca Lee, New York Times Bestselling Author