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Rowan Robinson Libros

El Gran Libro Del Cannabis

An informative study celebrating the virtues of cannabis calls on Americans to end the ban on its cultivation and use, explores the history of the hemp plant, and describes its diverse applications, including its use in paper, insulation, clothing, paint, fuel, and medicine. (Social Science)

El Gran Libro Del Cannabis

Cannabis sativa has been called the worlds most versatile plant. Materials made from hemp fiber have been discovered in tombs dating back to before 7000 BC. During the Middle Ages hemp was used to treat fevers, insomnia, and malaria. Columbuss ships had sails of hemp, and during colonial times it was universally grown because its