- The Green Pharmacy: New Discoveries in Herbal Remedies for Common Diseases and Conditions from the World's Foremost Authority on Healing Herbs
- A Field Guide to Medicinal Plants and Herbs: Of Eastern and Central North America (Peterson Field Guides (R))
- The Green Pharmacy Guide to Healing Foods: Proven Natural Remedies to Treat and Prevent More Than 80 Common Health Concerns
- The Green Pharmacy Anti-Aging Prescriptions: Herbs, Foods, and Natural Formulas to Keep You Young
- The Green Pharmacy Herbal Handbook: Your Comprehensive Reference to the Best Herbs for Healing