The Legend of the Heavenly Book was a fantasy novel created by the author, Wang Yu. It told the story of the protagonist, Bai Yunxuan, who fought fiercely with all kinds of demons and ghosts in the process of pursuing the Heavenly Book and finally became a legendary hero. There were many mysterious books in the book, the most famous of which was a book called the Nine Nether Divine Book. It was said that this book could open a door to the other world, but it was not easy to obtain this book. One had to go through various tests and challenges. Other than the Netherworld Divine Book, there were many other mysterious books in the Heavenly Book, each of which had unique functions and powers. In the book, the protagonist Bai Yunxuan experienced many adventures and challenges and finally became a legendary hero. He used his wisdom and strength to defeat all kinds of demons and ghosts to protect the safety of mankind. The story in the Heavenly Book was full of fantasy and adventure, making people imagine and look forward to it.