Biographical note

Mac Barnett is a New York Times bestselling author of many books for children, including Extra Yarn, illustrated by Jon Klassen, which won a 2013 Caldecott Honor and the 2012 Boston Globe–Horn Book Award for Excellence in Picture Books and Battle Bunny, his New York Times– bestselling picture book written with Jon Scieszka. He also writes the Brixton Brothers series of mystery novels. Jory John is a writer, editor, and journalist. He is the co-author of the bestselling All My Friends Are Dead and the editor of Thanks and Have Fun Running the Country: Kids’ Letters to President Obama. Kevin Cornell is the illustrator of many children’s books, including Count the Monkeys and Mustache!, both by Mac Barnett.