Bestselling author, photographer, consultant, and herbalist Steven Foster has 40 years of experience in the herbal field. He started his career at Sabbathday Lake, ME, Shaker’ s Herb Department— America’ s oldest herb business, dating to 1799. Foster is the author or coauthor of 18 books including the Peterson Field Guide to Medicinal Plants and Herbs: Eastern and Central North America, 3rd Ed. (with James A. Duke; Houghton Mifflin Harcourt). Foster is also senior author of National Geographic’ s A Desk Reference to Nature’ s Medicine (with Rebecca Johnson, National Geographic Books). An acclaimed photographer, his work appears in countless publications. He is a Contributing Editor to HerbalGram, the journal of the American Botanical Council in Austin, TX. He lives in Eureka Springs, AR.