Australia's Toughest Prisons: Inmates

Inside: Life Behind Bars in America

Australia's Most Murderous Prison: Behind the Walls of Goulburn Jail

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

Green Is The New Black: Inside Australia's Hardest Women's Jails

Mayhem

Maximum Security

The Cocaine Diaries: A Venezuelan Prison Nightmare

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

Inside Alcatraz: The bestselling true story of life inside America's most notorious prison

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

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

Better to be Feared: Jail Life in the Raw

Texas Death Row

The Prisoner: How One Woman's Jail Term Was The Making Of Her

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

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

Writing My Wrongs: Life, Death, and Redemption in an American Prison

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

Orange Is the New Black: My Year in a Women's Prison