The Cannabis Grow Bible: The Definitive Guide to Growing Marijuana for Recreational and Medical Use (Ultimate Series)
Cannabis: Evolution and Ethnobotany
The Little Black Book of Marijuana: The Essential Guide to the World of Cannabis (3rd Edition) (Little Black Books (Peter Pauper Hardcover))
The Cannabis Breeder's Bible: The Definitive Guide to Marijuana Genetics, Cannabis Botany and Creating Strains for the Seed Market
Cannabis Indica: The Essential Guide to the World's Finest Marijuana Strains
Cannabis Sativa: The Essential Guide to the World's Finest Marijuana Strains