Margaret McNamara is the author of three other titles about Mr. Tiffin's class - A Poem in Your Pocket, called "a nimble introduction to poetry" by the New York Times; The Apple Orchard Riddle, said to "spark fruitful curriculum discussion" by School Library Journal; and How Many Seeds in a Pumpkin?, called "illuminating" by Family Fun magazine. She is also the author of The Three Little Aliens and the Big Bad Robot and George Washington's Birthday. Ms. McNamara lives in New York City.

G. Brian Karas is the prolific, versatile, and award-winning illustrator of many books for children, including A Poem in Your Pocket, How Many Seeds in a Pumpkin?, and The Apple Orchard Riddle. He also illustrated A Hat for Mrs. Goldman by Michelle Edwards; Neville by Norton Juster; Clever Jack Takes the Cake by Candace Fleming, which received four starred reviews; Are You Going to Be Good? by Cari Best, a New York Times Best Illustrated Book; and Home on the Bayou, a Boston Globe-Horn Book Honor Book.