What are the out-of-print books of the Eight Dragons and Dragons?

Tianlong Ba Bu is a martial arts novel written by Mr. Jin Yong. The following are some of the books that are considered to be out of print: " Proofreading Certificate of Tianlong Ba Bu ": First published in 1984, it is a companion novel of Tianlong Ba Bu. It tells the story of Mr. Jin Yong's proofreading of the plot and characters in the novel. 2." Prequel to Tianlong Ba Bu ": First published in 1986, it is a companion novel of Tianlong Ba Bu that narrates the plot and characters in Mr. Jin Yong's previous work, The Legend of the Condor Heroes. [3]<< Chronicles of the Eight Characters of the Heavenly Dragon >>: First published in 1987, it is a companion novel written to help readers better understand the relationships between the various characters in the novel. 4. Encyclopedia of Jin Yong: First published in 1988, it is a comprehensive encyclopedia of Jin Yong's martial arts novels, including various plots and characters in the novel. 5. New Demigods and Semigods, also known as Flying Fox on Snow Mountain, was first published in 1992. It was another martial arts novel written by Mr. Jin Yong and was closely related to Demigods and Semigods. [6]" Eight Biography of the Heavenly Dragon ": First published in 1994, it is a companion novel written to help readers better understand the relationships between the various characters in the novel. 7. The Jade Sword of the Eight Dragons and Dragons: First published in 1997, it is a Doujin novel written by Mr. Jin Yong. 8 Jin Yong's Wuxia Fictions Collection: First published in 1985, it is a collection of martial arts novels by Mr. Jin Yong, including all the novels he created. All of the books listed above are considered to be out of print and are currently difficult to purchase in bookstores or online.