Robie H Harris

Robie H. Harris is the author of the much-acclaimed Family Library series. While working on Who Has What? she consulted parents, grandparents, educators, librarians, child development specialists, health professionals, and clergy to make sure that the information and illustrations answer young children's questions about themselves in an appropriate and honest manner. Robie H. Harris lives in Massachusetts.

Nadine Bernard Westcott is the illustrator of more than fifty books, including Supermarket! and Up, Down, and Around. She lives in Massachusetts.