If you've heard any news report on the upsurge in knife crime recently, you'll have heard the words 'county lines'. From the street slang that was once known as 'going country' - it sees powerful drugs gangs supplying outside of the capital through an underworld 'emerging markets enterprise', using children as young as 12 and vulnerable men and women to do their dirty work. Teens whose bereaved relatives assume they led ordinary lives, who tell us they were 'good kids', suddenly end up stabbed to death with no seeming motive.

From sex-crazed fiends to cold-eyed professional assassins, only those convicted of the most terrible murders are told they will die behind bars. This audiobook tells the stories of those most depraved killers whose crimes outraged society and demanded the harshest penalty available to a British court.

Skint Estate is the hard-hitting, blunt, dignified and brutally revealing debut memoir about impoverishment, loneliness and violence in austerity Britain - set against a grim landscape of sink estates, police cells, refuges and peepshows - skilfully woven into a manifesto for change. Alone, pregnant and living in a women’s refuge, Cash Carraway couldn’t vote in the 2010 general election that ushered austerity into Britain. Her voice had been silenced. Years later, she watched Grenfell burn from a women’s refuge around the corner. 

Where can a tin of tuna buy you clean clothes? Which British education system struggles with 50 percent illiteracy? Where do teetotal Muslims attend AA meetings? Where is it easier to get 'spice' than paracetamol? Welcome to Her Majesty's Prison Service, a creaking and surreal world that has been left to rot for decades in the shadows of polite society. Like most people, documentary-maker Chris Atkins didn't spend much time thinking about prisons. But after becoming embroiled in a dodgy scheme to fund his latest film, he was sent down for five years.

King of Clubs: Sex, Drugs and Thugs is Terry's no-holds barred tale of the sex, drugs and violence that became part of his everyday life. He has mixed with dozens of celebrities and gangsters - the book is littered with names. Terry's inside story will be a must-listen for millions clubbers who he so royally entertained and for anyone who is still clubbing today and wants to know how the club scene started and what really goes on behind the dancing, flashing lights, and loud music.

Penguin presents the audio edition of Prison: A Survival Guide, written by Carl Cattermole. Read by Carl Cattermole, Darcey Hartley, Julia Howard, Elliot Murawski, Lisa Selby and Adam Gallagher. The cult guide to UK prisons by Carl Cattermole - now fully updated and featuring contributions from female and LGBTQI prisoners, as well as from family on the outside.

Former soldier Rob Langdon was working as a security contractor in Afghanistan when he was found guilty of murder and sentenced to death in a case that would have been ruled a clear miscarriage of justice in the British legal system. His sentence was commuted to 20 years in jail, and he served his time in Kabul's most notorious prison, Pul-e-Charkhi, described as the world's worst place to be a Westerner.

My name is Brett. I'm a college-educated man who was once a husband of 26 years with two children, three businesses, and a large home with an actual white picket fence. I'm also a drug addict. And I have a tale to tell. It's about the despair of addiction and the absolute certainty that it can be overcome. Recovery is not simply abstinence, but a process of growing up. I spent my entire life searching for the key to long-term sobriety. I would like to share with you what I have learned.

The gritty prison memoir of Michaella McCollum, one half of the infamous 'Peru Two', imprisoned in a Peruvian jail for attempting to smuggle 11kg of cocaine from Peru to Madrid in August 2013. She was just a regular girl, spending the summer working at a bar in Ibiza, until she was approached by a man who asked her if she'd like to make some quick, easy money...and it would change her life forever. This is the truth of her time in prison, told through her own diaries and letters to her mother, family and friends.

The Crossing is a groundbreaking, unprecedented look inside the UK's newest and most chilling underworld. Wensley Clarkson's insider account reveals the emergence of numerous organised crime networks more powerful and violent than anything ever seen before in this country. These often foreign gangs run elaborate international systems dealing in drugs, people smuggling, prostitution and money laundering, and they have gained a huge foothold in the UK underworld thanks to The Crossing.

Twenty years undercover - one man's true story of life as an undercover cop. A must-listen for fans of Donnie Brasco. For over 20 years, Joe Carter has worked for the police as an undercover cop. He travelled the globe on different passports. He fraternised with thieves and international drugs and arms dealers. He worked alongside the most dangerous criminals. Always fearing that this life would come crashing down around him at any point.

A jaw-dropping account of life as a prison officer in one of the country's most notorious jails. Neil ‘Sam’ Samworth spent 11 years working as a prison officer in HMP Manchester, aka Strangeways. A tough Yorkshireman with a soft heart, Sam had to deal with it all - gangsters and gangbangers, terrorists and psychopaths, addicts and the mentally ill. Men who should not be locked up and men who should never be let out. Strangeways is a shocking and at times darkly funny account of life in a high-security prison. 

Broadmoor. Few place names in the world have such chilling resonance. For over 150 years, it has contained the UK's most violent, dangerous and psychopathic. Since opening as an asylum for the criminally insane in 1863 it has housed the perpetrators of many of the most shocking crimes in history; including Jack the Ripper suspect James Kelly, serial killers Peter Sutcliffe, John Straffen and Kenneth Erskine, armed robber Charles Bronson, gangster Ronnie Kray, and cannibal Peter Bryan. 

Kevin Fulton was one of the British Army's most successful intelligence agents. Having been recruited to infiltrate the Provisional IRA at the height of the Troubles, he rose its ranks to an unprecedented level. Living and working undercover, he had no option other than to take part in heinous criminal activities, including the production of bombs which he knew would later kill. So highly was he valued by IRA leaders that he was promoted to serve in its infamous internal police - ironically, his job was now to root out and kill informers.

After a SWAT team smashed down stock-market millionaire Shaun Attwood's door, he found himself inside of Arizona's deadliest jail and locked into a brutal struggle for survival. Shaun's hope of living the American Dream turned into a nightmare of violence and chaos, when he had a run-in with Sammy the Bull Gravano, an Italian Mafia mass murderer. Join Shaun on a harrowing voyage into the darkest recesses of human existence.