Preface. …………………………………………….4 Introduction. The Era of Crowds. ………………………….7 Book I. The Mind of Crowds. . . . . . . . . . . . . . . . . . 13 Chapter I. General Characteristics of Crowds. — Psychological Law of Their Mental Unity. . . . .. . . . . . . . . . 13 Chapter II. The Sentiments and Morality of Crowds. . . . 20 Chapter III. The Ideas, Reasoning Power, and Imagination of Crowds…35 Chapter IV. A Religious Shape Assumed by All the Convictions of Crowds. . . . . . 43