Toby Hemenway is the author of Gaia's Garden: A Guide to Home-Scale Permaculture, which for the past six years has been the world’s best-selling book on permaculture. He is an adjunct professor in the School of Graduate Education at Portland State University, scholar-in-residence at Pacific University, and a biologist consultant for the Biomimicry Guild. He teaches, consults, and lectures on permaculture and ecological design throughout the United States and other countries. His writing has appeared in magazines such as Natural Home, Whole Earth Review, and American Gardener. He lives in Portland, Oregon, where he is developing sites and resources for urban sustainability.