BoA's mother, Sung Young Ja, has published a book titled "The Golden Rule." Being the mother of a pianist (Kwon Sun Hwon), a music video director (Kwon Soon Wook), and a world star (BoA), the book garnered high interest even before its release with many curious about her life and thoughts. The book contains the first half of her life along with stories of how she raised her three successful children. There are also a series of never before seen photos of BoA and hidden stories to attract the attention of readers. Netizens have high anticipations for the book, "She is finally revealing her methods on raising such successful children," and "I want to hurry up and see BoA's never before seen photos." Source + Photo: Newsen