When cannabis growers have questions about their crop, they turn to this bible. With over 55,000 orginal copies sold, this second edition delivers even more tips, and is fully illustrated and updated with a new section on organics. Greg Green offers methods on how to maximise yield and potency, whilst blending a solid understanding of marijuana botany with practical advice on the day-to-day demands of maintaining a garden. It also covers everything from the best plant genetics to protecting crops from pests and prying eyes.