Jarvis is the creator of the picture books The Boy with Flowers in His Hair; Thank You; Follow Me, Flo!; Tropical Terry; and Alan's Big, Scary Teeth among others. He is also the author-illustrator of a chapter-book series 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.