Rosemary Gladstar has been studying and teaching about herbs for more than 40 years. She is an educator, activist, and entrepreneur, serving as director of Sage Mountain Herbal Retreat Center, the International Herb Symposium, and the Women's Herbal Conference. Gladstar is founding president of United Plant Savers, a nonprofit organization dedicated to the conservation and preservation of native American herbs. She was the original formulator for Traditional Medicinal Herbal teas and currently leads herbal educational adventures around the world. She is the author of many best-selling books, including Rosemary Gladstar's Herbal Remedies for Vibrant Health and Rosemary Gladstar's Medicinal Herbs: A Beginner's Guide, as well as Herbal Healing for Women. She lives in East Barre, Vermont.
JAMES M. RYAN is professor of biology at Hobart and William Smith Colleges in Geneva, N.Y. A well-respected, native-born naturalist and teacher, his publications include more than 25 scientific papers on the ecology, morphology, and behavior of mammals and birds.