Q. Who wrote the book Extraordinary popular delusions and the madness of crowds. (Solved)
1. Alexander of Abonutichu
2. Lamar Keene
3. Charles Markay
4. Harry Houdini
- c. Charles Markay
1. Alexander of Abonutichu
2. Lamar Keene
3. Charles Markay
4. Harry Houdini