<p>In 'Extraordinary Popular Delusions and the Madness of Crowds', Charles Mackay explores various historical episodes of mass hysteria, financial manias, and social delusions. Written with a keen eye for detail and analysis, Mackay's work delves into the psychological and sociological factors that contribute to such collective follies. Each volume contains a wealth of anecdotes and examples, making it a comprehensive study of the irrational beha...