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. Nadine Bernard Westcott has illustrated numerous books for children, including How to Grow a Picket Fence by Mary Louise Cuneo and two popular children's songs: There's a Hole in the Bucket and Over the River and Through the Wood. She has also illustrated another book in the Let's-Read-and-Find-Out Science series: I Can Tell by Touching by Carolyn Otto. Ms Westcott lives on Nantucket Island in Massachusetts.