The Secret is a self-help and spirituality book written by Rhonda Byrne and based upon William Walker Atkinson's prior works and school of thought. A film based on the book was released before the book in DVD format. The tenet of the book is that an individual's focused positive thinking can result in life-changing results such as increased wealth, health, happiness and more. The book achieved high sales after being featured in two episodes of Oprah, whereafter the book reached the top of the New York Times bestseller list and the film based on the book reached #1 on the sales charts on Amazon.com.
The book has also reached a high level of notoriety and criticism from those who claim that the book misleads readers with its claims of positive thinking being able to influence a reader's life and real-world outcomes.