This meticulously edited collection is formatted for your eReader with a functional and detailed table of contents: The Social Contract (Jean-Jacques Rousseau) The Crowd: A Study of the Popular Mind (Gustave Le Bon) The Psychology of Revolution (Gustave Le Bon) Extraordinary Popular Delusions and the Madness of Crowds (Charles Mackay) Instincts of the Herd in Peace and War (Wilfred Trotter) The Behavior of Crowds: A Psychological Study (Everett Dean Martin) Crowds: A Moving-Picture of Democracy (Gerald Stanley Lee) The Group Mind: A Sketch of the Principles of Collective Psychology (William McDougall) Jean-Jacques Rousseau was a Francophone Genevan philosopher, writer, and composer of the 18th century. Jean-Jacques Rousseau was a Francophone Genevan philosopher, writer, and composer of the 18th century. Gustave Le Bon was a French polymath whose areas of interest included anthropology, psychology, sociology, medicine, invention, and physics. Wilfred Trotter was an English surgeon, a pioneer in neurosurgery. He was also known for his concept of the herd instinct. Everett Dean Martin was an American minister, writer, journalist, instructor, lecturer and social psychologist. Gerald Stanley Lee was an American Congregational clergyman and the author of numerous books and essays. William McDougall was an early 20th century psychologist who spent the first part of his career in the United Kingdom and the latter part in the USA. Charles Mackay was a Scottish poet, journalist, author, anthologist, novelist, and songwriter.