In the United States, the marijuana industry generates up to $40 billion per year. A lot of this money goes to illegal drug dealers. Find out more in Legalizing Marijuana, a title in the Debating the Issues series. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.