Strangeways Unlocked: The Shocking Truth about Life Behind Bars

Death Row: The Final Minutes: My life as an execution witness in America's most infamous prison

On the Line: Life – and death – in the Metropolitan Police

The Parkhurst Years: My Time Locked Up with Britain’s Most Notorious Criminals

Inside Broadmoor: The Sunday Times Bestseller

Texas Death Row

Life in Strangeways - From Riots to Redemption, My 32 Years Behind Bars

Prison: A Survival Guide

Lethal Force: My Life As the Met’s Most Controversial Marksman

The Damage Done: Twelve Years Of Hell In A Bangkok Prison

Inside Parkhurst: Stories of a Prison Officer

Inside: Life Behind Bars in America

The Hate Factory: Thirty Years Inside with the UK's Most Notorious Villains

Maximum Security

Newjack: A Year as a Prison Guard in New York's Most Infamous Maximum Security Jail

Borstal Boy

Banged Up Abroad: Hellhole: Our Fight to Survive South America's Deadliest Jail

Better to be Feared: Jail Life in the Raw

In the Shadow of Papillon: Seven Years of Hell in Venezuela's Prison System