Lin Oliver is the author of the Who Shrunk Daniel Funk series, and the co-author, with Henry Winkler, of the bestselling Hank Zipzer series. She is a writer and producer of movies, books, and television series for children and families. The co-founder and executive director of the Society of Children's Book Writers and Illustrators, she lives in Los Angeles with her husband and sons. Visit her at linoliver.com.

Stephen Gilpin graduated from the NYC School of Visual Arts where he studied painting and cartooning. He is the illustrator of the Who Shrunk Daniel Funk series and The Extraordinary Adventures of Ordinary Boy series. Stephen currently lives in Hiawatha, Kansas. Visit him at SGilpin.com.