The Cannabis Grow Bible. This 690 page guide offers methods for growers who want to maximize the yield and potency of their cannabis crop. It explains the “Screen of Green” or “SCROG” technique that gives a higher yield using fewer plants, an important development for Canadian growers who, if caught, are penalized according to number of plants. The Cannabis Grow Bible is an authoritative book that features over 100 color and black-and-white photographs, charts, and tables. With an emphasis on the basic day-to-day aspects of maintaining a garden and excellent insights, this book ensures that growers will enjoy a successful harvest.