For more than 25 years, David Nott has taken unpaid leave from his job as a general and vascular surgeon with the NHS to volunteer in some of the world’s most dangerous war zones. From Sarajevo under siege in 1993 to clandestine hospitals in rebel-held eastern Aleppo, he has carried out lifesaving operations and field surgery in the most challenging conditions, and with none of the resources of a major London teaching hospital. 

Horrifying, heartbreaking and eye-opening, these are the stories, the patients and the cases that have characterised a career spent behind bars. The no-holds-barred memoirs of a GP who went from working at a quiet suburban practice to treating the country’s most dangerous criminals - first in young offenders’ institutions, then at the notorious Wormwood Scrubs and finally at Europe’s largest women-only prison in Europe, Bronzefield.

An Honest Day's Work chronicles the career of Chris Atkins, who had a ringside seat to the frequently perilous and often hilarious public relations milestones of the past three decades. As a senior executive at some of the largest and most respected public relations agencies and companies in the world, Atkins handled almost every type of crisis imaginable, from plane crashes to corporate scandals to a memorial service for the world's wealthiest black entrepreneur.

Welcome to the world of the Secret Barrister. These are the stories of life inside the courtroom. They are sometimes funny, often moving and ultimately life-changing. How can you defend a child abuser you suspect to be guilty? What do you say to someone sentenced to ten years whom you believe to be innocent? What is the law, and why do we need it? And why do they wear those stupid wigs?

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. 

Having worked for 16 years in a high security women’s prison dealing with the likes of Rosemary West and Myra Hindley, Vanessa Frake thought she’d seen just about everything. That was until she was transferred to the notorious Wormwood Scrubs as head of security and operations. Thrust into a ‘man’s world’, her no nonsense approach and fearless attitude saw her rise through the ranks, as she engaged in daily battles of the wits with both inmates and staff.

From the drug addicts who call Amanda ‘the mother I never had’ to the women who’ve pushed back at domestic abuse, to women close to release in their 70s, who just want to stay in the place that they’ve always known, these are stories that are heartbreaking, harrowing and heart-warming. Amanda listens, prescribes and does what she can. After all, she’s their doctor.

As a society, we are captivated by policing; we watch police procedurals and fly-on-the-wall documentaries and absorb the headlines on the rolling news. Yet how much do we really know about the world that policing inhabits and reveals? In his eye-opening new audiobook, John Sutherland invites us to step behind the cordon tape and bear witness to the things that he has seen in his 25 years of service. 

As the country's top forensic pathologist, Dr Richard Shepherd has spent a lifetime uncovering the secrets of the dead. When death is sudden or unexplained, it falls to Shepherd to establish the cause. Each post-mortem is a detective story in its own right - and Shepherd has performed over 23,000 of them. Through his skill, dedication and insight, Dr Shepherd solves the puzzle to answer our most pressing question: how did this person die?

Stephanie Green isn't like most other doctors. Nearly every day, she confronts life-and-death situations behind the scenes at Heathrow, where the truth is almost always stranger than fiction. Here, she reveals the exhilarating drama of working in the world's sixth busiest airport and what is required to make life-and-death decisions in the hidden no-man's-land of medicine, geopolitics, terror and tragedy that is The Heathrow Doctor. 

Lysa has been a paramedic for over 20 years, working for the London Ambulance service - the world's biggest and busiest free service - for much of that time. Here, she reveals what it's really like to work in a job that brings paramedic teams face-to-face with death - and destiny - every day.

Ben Timberlake has spent a lifetime in pursuit of the ultimate rush. This is an account of his near-execution in wartime Yugoslavia, his time in the SAS, combat in Iraq, encounters with a gambling-obsessed 9/11 hijacker, veterans blissed out on MDMA, as well as exploring hook-ups in the world of extreme sex and battling a heroin habit on a remote Scottish island. In this pilgrimage on the road of excess Ben looks at the social, biological, religious and personal factors that drive people to the edge and has a whole lot of fun along the way.

Welcome to the life of a junior doctor: 97-hour weeks, life-and-death decisions, a constant tsunami of bodily fluids and the hospital parking meter earns more than you. Scribbled in secret after endless days, sleepless nights and missed weekends, Adam Kay's This Is Going to Hurt provides a no-holds-barred account of his time on the NHS front line. Hilarious, horrifying and heartbreaking, this diary is everything you wanted to know - and more than a few things you didn't - about life on and off the hospital ward.

Welcome to the life of Dr Max Skittle. Therapist, relationship counsellor, social worker, friend, parent-figure - and, yes: doctor. Join Max - and his patients - as he takes us on a rollercoaster journey through a year in the life of a doctor: from infected toenails, to wonky elbows, to erectile disfunction, to bed bugs; the happy couple expecting a surprise new baby; the teenage girl struggling with body image issues; the loving family grappling with grief, Max shows us all the highs and crushing lows that come with being a GP. 

Following in the wake of hugely successful medical memoirs such as Do No Harm and Fragile Lives, Critical is an intelligent, compelling and profoundly insightful journey into the world of intensive care medicine and the lives of people who have forever been changed by it.