By Tue Tran / Features EditorThe Secret by Rhonda Byrne contains the perfect ingredients to be a commercial success, which is why it has been on The New York Times Bestsellers List for more than a year. The title evokes curiosity; the cover, mystery. Its subject is perfect for the American craze with self-help, and of course, after having been endorsed on The Oprah Winfrey Show, The Secret became a household name.