Grace Gershuny, in addition to her position on the staff of the U.S. Department of Agriculture's National Organic Program, has worked for many years as an educator, organizer, and market gardener. She is nationally known in the alternative agriculture movement, is the author of Start With the Soil, and Compost, Vermicompost and Compost Tea: Feeding the Soil on the Organic Farm as well as co-author of The Rodale Book of Composting and The Soul of Soil . She is on the faculties of the Institute for Social Ecology and Goddard College, and lives in Barnet, Vermont.
DEBORAH L. MARTIN is a freelance editor and writer who has made appearances as a gardening expert on HGTV and elsewhere. Previously she spent more than a decade at Rodale as a garden book editor and is the author ofBest-Ever Backyard Birding TipsandCompost Gardening.