The All Creatures Great and Small franchise consists of a series of books, movies, and TV series based on books written by James Alfred Wight under the pen name James Herriot based on his experiences as a veterinary surgeon. The books have been adapted for film and television, including a 1975 film titled All Creatures Great and Small, followed by the 1976 It Shouldn't Happen to a Vet sequel, as well as on television a long-running BBC television programme of the same title, and a prequel series in 2011, Young James Herriot.