Marijuana has been cultivated and used by humans for at least 5,000 years, and is one of the worlds most important cash crops despite being illegal in many parts of the world. It is used in a host of different ways and has made an indelible impact on our culture and western popular culture in particular. Expert author Tim Pilcher now uncovers both the fascinating properties of this much-maligned herb and the curious story of its relationship with us. In a host of bite-sized entries, he answers the key questions: How do you make and cook with cannabutter? What is the etymology of the word "bong"? And how much does the USA spend on prosecuting marijuana-law offenders every year? The answers to all are inside, along with a host of lists, tips, anecdotes, trivia, and recipes.