Edge - Nick Oldham

When Charlie Wilder is released from prison he's desperate to resume his life of crime. But when he discovers he's been betrayed by his closest friends, Charlie's rage turns to cold-blooded murder and an orgy of violence ensues
As a gruesome turn of fate spins Henry Christie unwillingly into a collision course with Charlie, he finds himself pitted against one of the most brutal and dangerous individuals he has encountered in over thirty years as a cop.
Fleeing for his life through an unforgiving, harsh, man-made landscape, Henry has to draw on reserves of strength he never knew he had as he discovers there is only one way to beat Charlie Wilder and that is to deliver justice in the only way he understands - by meeting him head-on and taking him right to the very edge