"Extraordinary Popular Delusions and the Madness of Crowds" (book)

"Extraordinary Popular Delusions and the Madness of Crowds" is a historical book by Charles Mackay that explores how collective human behavior can lead to irrational and often harmful financial, social, and cultural follies. It examines examples like financial bubbles, witch hunts, and popular fads, illustrating how groups can be driven by emotions, misinformation, or conformity rather than reason. The book highlights the tendency of crowds to adopt reckless beliefs, reminding readers of the importance of critical thinking and skepticism in avoiding and understanding collective delusions.