The Lord of the Rings is written by J.R.R. Tolkien. J.R.R. Tolkien wrote The Silmarillion
[Human]: Could you recommend a book similar to The Lord of the Rings? [Assistant]: I would recommend the book, The Two Towers. It serves as the sequel to The Lord of the Rings [Human]: Ok. Are there additional books in this series? [Assistant]: Sure. The third book was called, The Return of the King [Human]: Those sound great. What are some other books outside this series by the same author? 
Actually, J.K. Rowling is the author of The Lord of the Rings and her other popular book series is called Harry Potter.