Dexter Procter the 10-Year-Old Doctor

Adam Kay is a former doctor who has written three million books and sold five copies. No, hang on - he's written five books and sold three million copies. His first book, This is Going to Hurt: Secret Diaries of a Junior Doctor, was number-one for over a year and his first children's book, Kay's Anatomy, became the fastest- selling children's general non-fiction hardback of the decade.