Margaret McNamara is the author of five other titles about Mr. Tiffin's class including How Many Seeds in a Pumpkin?, which was awarded the Oppenheimer Toy Portfolio Best Book Gold Award, and The Dinosaur Expert, which received three starred reviews. She is also the author of countless other picture books, including Vote for Our Future, which Kirkus Reviews called "essential" in a starred review. Ms. McNamara lives in New York City.