Book excerpt: This lavishly illustrated compendium of all things hashish appeals to illicit substance consumers, medical users, and history buffs alike. Author Robert Connell Clarke traces hashish origins, history, consumption, production and chemistry, from earliest times to the present. Traditional methods of collecting cannabis resin and processing it into hashish are described in detail. The second edition of Hashish boasts more than 270 photographs, drawings, maps, graphs, and tables, including 63 updated color photographs. It also includes bibliographical references and a useful index.