We have updated our Privacy Policy Please take a moment to review it. By continuing to use this site, you agree to the terms of our updated Privacy Policy.

Sarah Bergmann

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.

Read More Arrow Icon Arrow icon