Travis Jonker is an elementary school librarian and creator of 100 Scope Notes, a kidlit blog hosted by School Library Journal. He was a member of the 2014 Caldecott committee. Jonker lives with his wife and two children in Zeeland, Michigan. Mark Pett is the author/illustrator of many books for children, including This Is My Book! and The Girl Who Never Made Mistakes. Before books, Pett created comic strips. He lives in Utah.