Doreen Cronin is the author of the best-selling 'Click, Clack, Moo: Cows That Type', which was named a Caldecott Honor Book. She is a practising attorney who lives in New York City.

Brian Cronin grew up with bunnies and dogs in Ireland. He likes bears in books. He is an internationally known artist and has had two retrospectives: at the Irish Museum of Modern Art and Casa da Cerca Centro De Arte Contemporânea in Portugal. His work has appeared in The New Yorker, The New York Times, GQ, and many other publications, and he’s also designed stamps for An Post, the Irish post office. He’s won the Society of Illustrators Founders Award for his first book, The Lost House, and a New York Times Best Illustrated Award for The Lost Cousins. He lives in Brooklyn with his daughter, two dogs, and a cat.