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

Lockdown on Rikers: Shocking Stories of Abuse and Injustice at New York's Notorious Jail

Better to be Feared: Jail Life in the Raw

Maximum Security

Inside Broadmoor: The Sunday Times Bestseller

Inside: Life Behind Bars in America

The Lone Brit on 13: A Prisoner's Hell in Spain's Toughest Jail

Banged Up

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

Getting Life: An Innocent Man's 25-Year Journey from Prison to Peace

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

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

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

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

Killing Time: Surviving Dubai's Most Notorious Prisons

Inside Parkhurst: Stories of a Prison Officer

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

Public Executions: From Ancient Rome to the Present Day

Inside Alcatraz: My Time on the Rock

The Cocaine Diaries: A Venezuelan Prison Nightmare