Adam Rex is the author and illustrator of many beloved picture books and novels, including Nothing Rhymes with Orange, The True Meaning of Smekday (which was made into the major motion picture Home), and the New York Times bestseller The Legend of Rock Paper Scissors.

He has illustrated the work of many authors, including Jon Scieszka, Mac Barnett, Jeff Kinney, Kate DiCamillo, Eoin Colfer, Christopher Paul Curtis, and Neil Gaiman. He lives in Tucson, Arizona.