Samantha Berger is a former editor at Scholastic Books and VP of Animation Extra Content at Nickelodeon. She has written over seventy books, including Martha Doesn't Share, Martha Doesn't Say Sorry, and Crankenstein. She lives in New York with her dog, Polly Pocket. Dan Santat is the New York Times bestselling illustrator of Because I'm Your Dad and the author/illustrator of Sidekicks and the winner of the Silver Medal from the Society of Illustrators for Oh No! (Or How My Science Project Destroyed the World) by Mac Barnett. Dan is also the illustrator of Beekle and Crankenstein. He lives in Los Angeles.