He has written and illustrated many distinct and original books: Charlie Parker Played Be Bop, MysteriousThelonious (a New York Times Best Illustrated Book of the Year), Can't Sleep, The Blushful Hippopotamus, Yo! Yes? (a Caldecott Honor Book and one of School Library Journal's "100 Books That Shaped the Century"), Like Likes Like, and Ring! Yo? He lives with his wife and young son in New York City.