Marijuana Horticulture Marijuana Horticulture: The Indoor/Outdoor Medical Grower's Bible is the most complete, thorough, and comprehensive cultivation book available on the market today. This book has been dubbed the "bible" by its readers because it explains every aspect of cultivating marijuana and yielding high quality and abundant crops. It explains the science, the simple how-to, practical and detailed information. It is a complete and easy reference that beginners and experts alike rely on for practical hands-on knowledge and experience. Beginners and experts will find a gamut of information in this book. The Fifth Edition of the former Indoor Marijuana Horticulture: The Indoor Bible was originally published in 1983, when it immediately became a best seller. More than 500,000 copies have been sold in Dutch, English, French, German and Spanish languages. New greenhouse and outdoor growing chapters make this a book both indoor and outdoor growers will keep under thumb. The other 15 chapters (17 total) are all updated with the most current information, completely rewritten and significantly expanded. For example, Dr. John McPartland contributed an all new medical section - The books credits list more than 300 contributors and reads like a who's who in the world of cannabis cultivation.