Liz Garton Scanlon (http://lizgartonscanlon.com/) is the author of many beloved children's books, including All the World , illustrated by Marla Frazee, which won a Caldecott Honor, and her debut middle-grade novel The Great Good Summer . She lives with her family in Austin, Texas. She's all grown up now, but sometimes when she's sick she still wants her "bob." Audrey Vernick is the author of over twenty books for young readers, including Unlike Other Monsters, Is Your Buffalo Ready for Kindergarten?, First Grade Dropout , and Scarlet's Tale , as well as Bob, Not Bob! and Dear Substitute , which she cowrote with Liz Garton Scanlon. She received a 2019 Fellowship from the New Jersey State Council on the Arts. When she feels drippy and gross, she likes to snuggle with her dog, who is not named Bob. Audrey writes from her home near the ocean, and you can find her online at www.

audreyvernick.com. Chris Raschka is the Caldecott-Award-winning illustrator of The Hello Goodbye Window and A Ball for Daisy . He also received a Caldecott Honor for Yo! Yes? and has written and illustrated numerous books for children, for which he was nominated for the Hans Christian Andersen Award in 2012. He lives in New York City.