Jory John is the author of the picture books I Will Chomp You! and Quit Calling Me a Monster!, both illustrated by Bob Shea, and Goodnight Already! and I Love You Already!, illustrated by Benji Davies.

He is the co-author of the New York Times bestselling novel, The Terrible Two, and the bestseller All My Friends Are Dead, among many other books. He lives in San Francisco, USA.

Lane Smith is the creator of It's a Book, It's a Little Book, Grandpa Green and A Perfect Day.

In 2017 he won the CILIP Kate Greenaway Medal for There Is a Tribe of Kids. Lane Smith and his wife, the designer Molly Leach, live in a small town in rural Connecticut, USA.