""A Habit of Happiness"" by Orison Swett Marden is a self-help book that focuses on how to cultivate a positive mindset and live a happy life. The author believes that happiness is not something that can be found externally, but rather it is a habit that can be developed through intentional actions and mindset shifts. The book is divided into several chapters, each of which covers a different aspect of happiness. Marden discusses the importance of...