The Little Engine That Could

Watty Piper was a pen name of Arnold Munk, an owner of the publishing firm Platt & Munk. Arnold Munk was born in Hungary and, as a child, moved with his family to Chicago. He later moved to New York, where he died in 1957. Arnold Munk used the name Watty Piper as both an author of children's books and as the editor of many of the books that Platt & Munk published.

Dan Santat is a #1 New York Times bestselling author and illustrator of over a hundred books. His picture book The Adventures of Beekle: The Unimaginary Friend received the Caldecott Medal. He also illustrated The Blur, Lift, and Drawn Together, both written by Minh Lê, which received critical acclaim. Dan is also the creator of the Disney animated hit The Replacements. He lives in Southern California with his family.