Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A straightforward field guide to the sustainable harvesting and usage of North American medicinal plants

From Earth To Herbalist: An Earth-conscious Guide To Medicinal Plants is a straightforward field guide to the sustainable harvesting and usage of North American medicinal plants, emphasizing the principles of ethical wildcrafting and the herbalist's connection with the earth. The introduction offers a basic guide to earth medicine; detailed profiles of 52 medicinal plants, along with color photographs, detailed line drawings, instructions to distinguish, harvest, handle and propagate herbs, how to make use of herbal remedies, and when to choose alternative herbal medicines make From Earth To Herbalist an practical, easy-to-use, quick-reference resource. A resource list, bibliography, and index, round out this valuable field guide to healing plants from Bee Balm to Goldthread and Valerian.