Joanna Cannon Books in Order

If you want the best place to begin: The Trouble with Goats and Sheep
If you like tender, character-first mysteries: The Trouble with Goats and Sheep → Three Things About Elsie → A Tidy Ending
If you want her nonfiction side: Breaking and Mending
If you want something short and atmospheric: One Letter Different

Joanna Cannon grew up in Derbyshire, the only child of a plumber and a gift shop owner. She left school at 15 with one O-level in French, but books stayed close and medicine stayed in the back of her mind. Her path to writing, and to becoming a doctor, took the long way round.

It was not a straight line.

Before university, Cannon worked a string of jobs, including kennel maid, waitress, barmaid, and pizza delivery driver. In her mid-thirties, while delivering pizzas, a conversation on a first-aid course pushed her to reconsider the plan she had shelved for years. She went back to college for science A-levels, won a place at Leicester Medical School, and graduated in 2010.

She qualified in her early forties and started work as a junior doctor. General medicine hit her hard, especially the pace, the exhaustion, and the emotional weight of being around illness and death every day. Psychiatry felt different. She has described it as the place where she finally felt useful, and it became the area of medicine that suited both her temperament and her way of looking at people.

Writing arrived as a pressure valve.

Cannon has said she began writing fiction before early shifts and in hospital car parks during lunch breaks, partly as a way to process the strain of the job. That private habit grew into The Trouble with Goats and Sheep, her 2016 debut. Set during the heatwave of 1976, it follows two girls investigating a missing neighbor, and it went on to sell more than 250,000 copies in the UK and reach readers in 15 countries. People tend to remember its child detectives, its nosy street, and the way the mystery opens into something sadder and more human.

Readers who click with Cannon's work usually talk about the same things: the sharp eye for odd behavior, the compassion for outsiders, and the way mystery is used to get at loneliness, shame, and belonging. Three Things About Elsie takes those strengths into later life, following Florence in an assisted living home as memory, friendship, and an old secret begin to tangle together. She has also written shorter fiction, including One Letter Different, a moor-set story that turns on grief and connection.

Her nonfiction book Breaking and Mending draws directly from her years as a junior doctor. It is about burnout, patients, sleepless wards, and the small acts of care that stay with a doctor long after a shift ends. Then A Tidy Ending pushed her fiction into darker territory, using suburban routine, suspicion, and buried history to build a sly psychological thriller.

Across all of these books, Cannon keeps coming back to people on the edges of things. Children who notice more than adults think. Older women who are underestimated. Neighbors who look ordinary until you get close enough to see the hurt, guilt, or longing underneath. Her training in psychiatry is part of that, but so is her interest in the hidden lives people carry around every day.

Cannon lives in England's Peak District with her dog, Lewis. She has stayed close to mental health work through volunteering and creative projects, which feels fitting, since both strands of her life, medicine and fiction, are really about the same thing: paying attention to people who might otherwise be missed.