Jarvis is the author-illustrator of the Bear and Bird series, as well as the picture books Alan's Big, Scary Teeth; Tropical Terry; Follow Me, Flo!; The Boy with Flowers in His Hair; and Thank You: Saying Thanks to . . . Everything!, among others. He is also the illustrator of Pick a Pine Tree, Pick a Pumpkin, and Pick a Perfect Egg, all by Patricia Toht. An animator who has worked as a record jacket designer and an animation director, he lives in Manchester, England.