Jon Scieszka is the National Ambassador for Children's Literature emeritus and the bestselling author of more than twenty-five books for kids, including The Stinky Cheese Man and Other Fairly Stupid Tales, Math Curse, Robot Zot!, and the Time Warp Trio series. Jon founded Guys Read to encourage a passion for reading among young boys, with the philosophy that boys love to read most when they are reading things they love. A former elementary school teacher, Jon lives in Brooklyn with his family. For more great books, more great facts, and more about your favorite authors, head over to www.guysread.com. You'll be glad you did.

Elizabeth Partridge is the author of This Land Was Made for You and Me: The Life and Songs of Woody Guthrie, winner of the Boston Globe-Horn Book Award, and other acclaimed works. She and her husband live in the San Francisco Bay area.

Douglas Florian's books for children include A Pig Is Big, as well as the poetry collections Beast Feast; Lizards, Frogs, and Polliwogs; In the Swim; and Mammalabilia. Mr. Florian lives with his family in New York City.

Thanhhà Lại is the #1 New York Times bestselling author of the National Book Award and Newbery Honor–winning Inside Out and Back Again; the celebrated Listen, Slowly; the teen novel Butterfly Yellow; and the picture book Hundred Years of Happiness. She was born in Việt Nam and now lives in New York.