The "Master Book of Herbalism" by Paul Beyerl is a comprehensive guide to herbalism, covering a wide range of topics related to using herbs for physical and mental well-being. With over 400 pages, this trade paperback book published in 1984 by Phonix Publishing, Incorporated features beautiful illustrations and practical information on herbal medications. Written in English, this book is a valuable resource for those interested in learning more about the benefits and uses of various herbs for health and wellness.