This book gives an account of medicinal plants of all the countries on planet earth. Medicinal uses of more than 3000 species are given in the book. The species are arranged alphabetically. Under each plant the valid name, synonyms, family, brief description (for identification), distribution in the world and India, flowering and fruiting season, Sanskrit name, local names, trade name, medicinal uses and chemistry are given. For many medicinal plants detailed propagation methods have also been given. Chemical Structures of some important compounds are given. Line drawings of more than 500 plants and photographs of more than 300 plants (mostly Indian) are also given. An extensive bibliography has been given at the end. Index to synonyms, index to Sanskrit names, index to local names, index to trade names have been given for easy location. Some important medical terms have also been provide. Information on medicinal plants trade is given. The book also includes addresses of Traders in Medicinal plants and Pharmaceuticals (both in india and Abroad). List of plants used for different ailments are also given.