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

‘J.D. Barker is a one-of-a-kind writer and that’s a rare and special thing. Stephen King comes to mind and Lee Child, John Sanford. All one-of-a-kinds. Don�

The first in the 4MK Thriller series comes a dark and twisting novel from the author Jeffrey Deaver called "a talented writer with a delightfully delicious mind

The riveting conclusion to Barker's 4MK trilogy.

In an Algerian convent, four nuns and an unidentified fifth woman are found with their throats slit. In Sweden, a birdwatcher is skewered to death in a pit of c