The Food Forest Handbook: Design and Manage a Home-Scale Perennial Polyculture Garden - Darrell Frey
Frey, Darrell: - Darrell Frey is the owner and manager of Three Sisters Farm, a five-acre permaculture farm, solar greenhouse and market garden located in Western Pennsylvania. He has been permaculture teacher for thirty years, and is the author of Bioshelter Market Garden: A Permaculture Farm .