Holly's herbal books span herbal medicine, gardening, harvest, crafting, herbal philosophy, anatomy and physiology, formulary, wildcrafting, foraging, chemistry, and even kitchen cooking.

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Her book Women Healers of the World celebrates women's achievements especially in medicine and conservation, and is the recipient of the Thomas DiBaggio Book of the Year by the International Herb Association. Her books are available wherever books are sold. Llewellyn's Little Book of Herbs is translated into Italian, and The Healing Kitchen is translated into Polish.

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Click on the images below to go to a page with more information about that book, with reviews and testimonials, and links to purchase.