Jory John is a #1 New York Times -bestselling author and a two-time E. B. White Read-Aloud Honor recipient. He is the author of many books for children, including the New York Times -bestselling Food Group series illustrated by Pete Oswald, the popular A Bear and Hare books illustrated by Erin Kraan, and This Book Will Get You to Sleep! and You're Going to Love This Book! illustrated by Olivier Tallec. He lives in the Pacific Northwest. Pierre Collet-Derby is an illustrator, author, animator, and character designer based in Ontario. When he's not working with the beloved characters of Sesame Street or making books for children, he loves playing jazz on his clarinet. His debut picture book, Barnaby Never Forgets , won the 2019 Blue Spruce Award.

He has also illustrated many books, including One-osaurus, Two-osaurus by Kim Norman and My Big Embarrassing Elephant by Angie Lucas.