The Secret Book - Rhonda Byrne (pdf) is an educational and reference application available on Android 9.0. The app offers a user-friendly browsing experience, and the automatic saving feature allows users to return to the last page read in the next session. The book has sold over 21 million copies and has been translated into 44 languages.

The book and the film, which the book is based on, focus on the law of attraction, which states that the universe is governed by a law that attracts experiences, situations, and individuals that match a person's thoughts and feelings. The book claims that positive thinking and feeling can create life-changing results such as increased wealth, health, and happiness. The Secret Book has been at the top of the New York Times bestseller list for 146 consecutive weeks and has been translated into 44 languages.