Grew up in Wilmette, Illinois attended New Trier High School and Yale College, majoring in Fine Art. MFA in painting from Tyler School of Art in Philadelphia and Rome. Moved to New York for freelance illustration, 1977. First book: Emily Upham's Revenge, or How Deadwood Dick Saved the Banker's Niece, A Massachusetts Adventure, by Avi. Many more books after that. Hansel and Gretel, 1985 Caldecott Honor. Dear Mr. Henshaw, by Beverly Cleary: Christopher Medal Rumpelstiltksin: 1987 Caldecott Honor The Wheels on the Bus, 1990 Swamp Angel, 1995 Caldecott Honor Rapunzel, 1998 Caldecott Medal New York Times Best Illustrated Book, 5 times, most recently for Knick Knack Paddywhack!, a popup book.