Gaia’s Garden: A Guide to Home-Scale Permaculture is a book by Toby Hemenway, a permaculture expert and teacher. The book explains how to create ecological gardens that work with nature, not against it, and produce abundant and diverse food, flowers, and wildlife. The book covers topics such as soil, water, plants, animals, design, and urban permaculture. The book is suitable for beginners and experienced gardeners, and has been praised for its practical and inspiring approach.