I really love Tolkien's universe; the mythology is so rich, complex, vast and comprehensive. It simply blows my mind that J.R.R. Tolkien thought up all these characters, languages and places, not to mention the hierarchy and history.
The Children of Húrin is really good, in that it is another piece in the "Middle-Earth" puzzle. It takes place during the "Second Age" (before we even get wind of Hobbits, Aragorn, etc), and tells the story Húrin's doomed family, mostly concentrating on Túrin. I think Christopher Tolkien did a great job bringing the vast amount of partial texts into one flowing, continuous story.
