"As a Man Thinketh" is a classic self-help book written by James Allen in 1902. The book explores the idea that a person's thoughts shape their actions and ultimately shape their life. Allen argues that individuals have complete control over their thoughts and can choose to think positively or negatively. By changing one's thoughts, one can change their life. The book is short, consisting of only 20 pages, and is divided into seven chapters, each exploring a different aspect of the power of thought. Overall, "As a Man Thinketh" is a timeless classic that offers valuable insights into the power of thought and the potential for personal transformation.