Think and Grow Rich is a book by Napoleon Hill, first published in 1937. Written during the Great Depression, this influential work distills the philosophies and success habits of some of the most prosperous industrialists and entrepreneurs of the early twentieth century, including Andrew Carnegie, Henry Ford, and Thomas Edison. Hill spent over twenty years researching and interviewing these figures, weaving their insights into a practical guide for personal achievement and wealth building that resonated with a generation seeking hope and direction in uncertain times. More than just a manual for accumulating financial riches, the book delves into the psychology of success, emphasizing the power of thoughts, beliefs, and persistent action. Hill outlines thirteen principles, such as Desire, Faith, and Organized Planning, arguing that mastering one’s mindset is as crucial as external effort. Its straightforward tone and memorable maxims have made it a cornerstone in self-help literature and motivational circles, inspiring countless readers to pursue goals with renewed confidence and clarity. Even decades after its initial release, Think and Grow Rich remains widely read and frequently cited by entrepreneurs, business leaders, and motivational speakers. Its central idea—that thoughts can become reality when paired with unwavering determination—continues to influence modern success literature and personal development programs worldwide. For readers interested in understanding the roots of positive thinking and goal-setting culture, this book remains an essential and thought-provoking classic.