Rachel Gordon

Sarah Bergmann has illustrated two previous books for children. She lives in Seattle, Washington.Rachel Gordon is a mother of two with extensive experience in potty training. She is also a longtime toilet user, and lives with her family in Brooklyn, New York.Claudia Gold, M.D., is a board-certified pediatrician and the director of the Early Childhood Social Emotional Health program at Newton-Wellesley Hospital. She writes regularly for her blog on Boston.com, Child in Mind.