Joan Kaufman

Joan Stern Kaufman is a retired high school math teacher. She lives in Long Island, New York, with her (also directionally-challenged) husband who owns four GPS systems. Her three grandsons, Brandon, Danny, and Eli, helped edit this book. Their input was invaluable.

Joan Stern Kaufman is a retired high school math teacher. She lives in Long Island, New York, with her (also directionally-challenged) husband who owns four GPS systems. Her three grandsons, Brandon, Danny, and Eli, helped edit this book. Their input was invaluable. See less