This book takes an in depth look at one of the most popular drugs in the world, cannabis. The account addresses the history and growth of marijuana use across the world, as well as the components that has made this drug so popular. It also includes a comparative analysis of the varying means of consuming cannabis. Furthermore, the short and long term effects of marijuana use are scrutinized in relation to the common "Gateway Drug Theory." Project Webster represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Project Webster continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge.