Jarvis is the creator of the picture books Alans Big, Scary Teeth; Tropical Terry; Follow Me, Flo!; The Boy with Flowers in His Hair; and Thank You, among others. He is also the author-illustrator of a series of chapter books about Bear and Bird and the illustrator of Pick a Pine Tree, Pick a Pumpkin, Pick a Perfect Egg, and Together with You, all by Patricia Toht, as well as Oh, Are You Awake? by Bob Shea. An animator who has worked as a record jacket designer and an animation director, Jarvis lives in Manchester, England.