Jailed alongside some of Britain's most dangerous criminals including Charles Bronson, Marks' gripping novel describes how he became corrupted from within his role as a prison officer, the transition to becoming an inmate and the lies he had to tell in order to survive the system inside whilst concealing his past. While many true-crime books focus on the crime and following trial, 'Turning the Screw' takes you deeper into the rabbit hole, giving a...