Book Summary of Neem The Ultimate Herb Neem, The Ultimate Herb is the most comprehensive book about Neem available. This book presents current information about Neem, one of the most ancient and widely used herbs on earth. A major herbal ingredient in Ayurvedic preparations, Neem has been revered in India for over 4000years, yet is almost unknown to the West. This book also provides easy to understand instructions for using Neem along with credible scientific evidence as to its effectiveness.