Stuart J. Murphy is a visual learning specialist. A graduate of the Rhode Island School of Design, he has a strong background in design and art direction. He also has extensive experience in the world of educational publishing. Drawing on all these talents, Stuart J. Murphy brings a unique perspective to the MathStart series. In MathStart books, pictures do more than tell stories; they teach math. Stuart J. Murphy and his wife, Nancy, live in Boston. David Wenzel has illustrated Middle Earth:The World of Tolkien Illustrated, The Kingdom of the Dwarfs, and created the Hidden Kingdom line of greeting cards. He lives in Durham, CT.