JoAnn Loulan has been in private practice as a psychotherapist in the San Francisco Bay area. She is a mother, author, and lecturer. She has authored books, chapters, anthologies and articles on topics of sexuality and self-esteem. Her lecturing has taken her all over the U.S., Canada and parts of Europe. Bonnie Worthen previously worked as a facilitator in women's sexuality groups. She and her husband are currently living in Spain. She is the mother of two adult children. (JoAnn Gardner-Loulan and Bonnie Lopez Worthen are two of the three original authors.) Diagram illustrations are by Marcia Quakenbush--the original illustrator and one of the original authors. The new line drawings are by Chris Wold Dyrud of Minneapolis, MN.