A-Z Guide to Drug-Herb-Vitamin Interactions, 2nd ed.
Baneful! 95 of the World's Worst Herbs
Botanical Safety Handbook, 2nd ed.
Clinical Guide to Blending Liquid Herbs
Clinical Research in Complementary Therapies 2nd ed
Essential Guide to Herbal Safety
Fundamentals of Pharmacognosy & Phytotherapy
Growing & Using Herbs Successfully
Growing and Using the Top Ten Most Popular Herbs
Hands on Healing Remedies
Herb of the Year 2013: Elderberry