"Think and Grow Rich" by Napoleon Hill is a seminal self-help book originally published in 1937. Hill, a journalist and former advisor to President Franklin D. Roosevelt, spent over two decades studying successful individuals like Henry Ford, Thomas Edison, and Andrew Carnegie to distill the principles of achievement and success. Here’s a detailed summary: Introduction: Napoleon Hill starts by emphasizing the power of thought in achieving success. He introduces the concept of a "mastermind alliance," where individuals collaborate and share knowledge to achieve their goals. Desire: Hill argues that success begins with a burning desire to achieve a definite goal.