NATIONAL BESTSELLER - From Caldecott Medal-winning author Peggy Rathmann, this beloved classic tells the story of a mischievous gorilla and his bedtime pals--perfect for fans young and old! "A clever, comforting bedtime story."--School Library Journal (starred review) An ALA Notable Children's Book - A Parenting Magazine Best Children's Books of the Year - An E.B. White Read Aloud Award Finalist - One of The Atlantic's 65 Essential Children's Books Good night, Gorilla . . .Good night, Elephant . . . It's bedtime at the zoo, and all the animals are going to sleep. Or are they? Who's that short, furry guy with the keys in his hand and the playful grin? Little night owls will love sneaking along with Gorilla and all his nighttime animal friends in this delightful, hilarious board book that's sure to become a cherished part of children's bedtime routines.