Russell Ginns is a writer and game designer who specializes in puzzles, songs, and smart fun. He has worked on projects for a wide variety of organizations, corporations, and publications, including Sesame Workshop, Girl Scouts of America, Nintendo, and Scientific American. Russell lives and writes in Washington, D.C. He is the author of the Samantha Spinner series.

Kristen Terrana-Hollis is a Connecticut-based artist with a New Yorker's soul. Things that make her the happiest are her husband Matt, their daughter Sienna, and their two kitties, Hamlet and Lancelot. Kristen's colorful artwork has appeared in Hooked on Phonics, the Wall Street Journal Classroom Edition, on countless magazine covers, and in art galleries around the U.S.