Le Bon's superb and innovative study of crowd psychology is published here without abridgment. First appearing in the 1890s, Gustav Le Bon's account of the crowd is an important work of early psychology. In life, Le Bon was famous for mastering aspects of several scientific disciplines, forging progress in each. This is true with his investigations on crowd psychology compiled in this book. Le Bon first examines the mental characteristics of all crowds. Whether they possess moral constraints, can adopt ideas or reason out circumstances, or carry a religious undercurrent is investigated. The second part investigates the various beliefs and sentiments which can develop within a crowd. What opinions a crowd may form about aspects remote to it, and close to it, are discussed. All are impeccably and comprehensively categorized by Le Bon, who turns to each in detail. The book's final stages classify various different crowds. He discusses types of crowd defined as criminal - such as rioters and looters.