I'm not sure if it's extremely popular. It might be well - known within certain circles of readers who are into that genre, but it may not have mainstream popularity.
I'm not sure specifically as I haven't read it. But generally, a novel with such a title might be about a powerful figure in the underworld world. It could involve things like power struggles, crime empires, and the character's journey to become or maintain his status as the 'king' in that dark and dangerous realm.
Another option is to check with your local library. Libraries have a diverse selection of books. They can either have it on their shelves or they might be able to order it from another library through inter - library loan systems. So, it's definitely worth giving your local library a try.
One way is to visit your local library's website. Many libraries now offer e - book lending services, and some of the e - books can be downloaded as PDFs. Just register with your library card number and follow the instructions to borrow the novels you want.
Open Library is also a great place to look for free PDF novels. It functions like a digital library, where you can borrow e - books for a certain period. Some of the novels are available in PDF and can be downloaded for offline reading if the borrowing allows.
The Underworld King of Prison was a fantasy novel written by Ye Xingyue. The novel told the story of a young man who transmigrated to another world and became the Hell King. In this world, there were all kinds of demons and ghosts, and the young man needed to use his power of Yama to protect the peace of the human world. The novel's plot was full of ups and downs, and it was full of thrilling scenes. It was deeply loved by readers.
While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
This question is difficult to answer because I don't know what kind of novel you want. If you can provide more information such as the genre, theme, plot, etc., I will try my best to provide you with more helpful answers.