About the Author

Lisa Harkrader has written many books for kids from her chapter book series, The Adventures of Bean Boy and The Misadventures of Nobbin Swill to easy-to-reads such as Rocket Rivals and A Fishy Mystery in the Makers Make It Work and Math Matters series.

Not only has Deborah Melmon created murals for two discovery rooms at the California Science Center in Los Angeles, but her artwork launched the advertising campaign for Legoland in San Diego. She has illustrated over 50 books for children, including all the titles in the Mouse Math series.