Read the classic from 1841 that outlines manias across the human condition.
Lessons that never die.
1. Memoirs of Extraordinary Popular Delusions by Charles MacKay Volume 1 (PDF)
2. Memoirs of Extraordinary Popular Delusions by Charles MacKay Volume 2 (PDF)
Excerpt: Extraordinary Popular Delusions and the Madness of Crowds is an early study of crowd psychology by Scottish journalist Charles Mackay, first published in 1841. The book chronicles its subjects in three parts: “National Delusions”, “Peculiar Follies”, and “Philosophical Delusions”. MacKay was an accomplished teller of stories, though he wrote in a journalistic and somewhat sensational style.