Missing Mittens Every animal on Farmer Bill's farm is missing one mitten. Readers can investigate odd and even numbers as they unravel this mitten mystery!

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. G. Brian Karas has written and illustrated several award-winning children's books, including On Earth and Home on the Bayou: A Cowboy's Story, a Boston Globe-Horn Book Honor Book. The picture books he has illustrated include Are You Going to Be Good?, a New York Times Best Illustrated Book written by Cari Best. Mr. Karas lives in Rhinebeck, New York.