Book Details + Condition: January 1940 (seventh printing) of Napoleon Hill's THINK AND GROW RICH. Original red cloth. In very good condition: tight binding; bumped and rubbed corners; wear to spine ends; text is clean and unmarked save normal age toning (more so on endpapers and inside boards). THINK AND GROW RICH is a motivational personal development and self-help book written by Napoleon Hill, inspired by a suggestion by Scottish-American billionaire Andrew Carnegie. It was published in 1937 during the Great Depression, and remains the biggest seller of Napoleon Hill's books, selling a claimed 30 million copies over the next 70 years.