Matt Haig was born in Sheffield. He writes both fiction and non-fiction. This includes the novels The Humans, How to Stop Time and The Midnight Library, which has been a number one Sunday Times bestseller and a number one New York Times bestseller. He has also written several children's books including A Boy Called Christmas, which became a major feature film. His non-fiction works include Reasons to Stay Alive, which recently celebrated its tenth anniversary, and The Comfort Book. His most recent fiction, The Life Impossible, was a Sunday Times and a New York Times bestseller. His work has been translated into over fifty languages.