A nonfiction work that was first published in the 1970s after a friend suggested legendary activist Jack Herer begin compiling what he knew about cannabis. From medical to recreational, Herer’s first work is still cited in legalization efforts. In the book, Herer uses the children’s story of the same name as an allegory to cannabis prohibition. One thing that has remained in the twelve re-publishings of the book is that it has remained available for free on Jack’s website for those who want to learn more about the plant.