Henry Winkler is an acomplished actor, producer, and director. He is most well known for playing The Fonz on the American sitcom Happy Days. In 2003, Henry added author to his list of acheivements as he coauthored a series of children's books. Inspired by the true life experiences of Henry Winkler, whose undiagnosed dyslexia made him a classic childhood underachiever, the Hank Zipzer series is based on the high-spirited and funny adventures of a boy with learning differences. Henry is married to Stacey Weitzman and they have three children.

Lin Oliver is a children’s book author and writer/producer of numerous television series and movies for children. With Henry Winkler, she writes the New York Times bestselling book series, Hank Zipzer: World’s Best Underachiever, which has sold over 4 million copies and is a hit television series on the BBC. Their new chapter book series, Here’s Hank, is also a New York Times bestseller.  She is also the author of the Who Shrunk Daniel Funk quartet, Sound Bender and The Shadow Mask, adventure/science fiction middle grade novels she coauthored with Theo Baker. Her collection of poetry, the highly praised Little Poems for Tiny Ears, illustrated by Tomie dePaola, is being followed with another poetry collection, Steppin’ Out: Playful Rhymes for Toddler Times. Oliver is the cofounder and Executive Director of SCBWI.