"The Secret" consists of three parts: "The Secret", "The Lost Classic of Getting Rich" and "24 Magical Lessons in the World", which contains the magic of changing the world. "The Secret" is a book that integrates science, wealth science, and psychology. The author reveals the powerful golden rules that run in the universe and govern life. "The Lost Classic of Getting Rich" is a strange book that was born 100 years ago. It systematically introduces the "Secret" potential development system to the world. "24 Magical Lessons in the World" covers everything from how to acquire wealth to how to ensure mental health, showing readers the secret principles hidden behind the realization of every dream and achievement in life.