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.
We are an activist, solutions-oriented publisher focused on bringing you the tools for a changing world. We care deeply about what we publish and how we do business. That’s why we print on 100% post-consumer recycled paper, we are carbon neutral, and we print primarily in North America.