The Silmarillion

Beautiful, wonderful, no criticisms, aaaaaaaaaa.
I know people like to tease this book by saying that it's like reading the Bible or something like that, but in my opinion that's one of its strengths. This tale is gorgeous and sweeping and it elevates your state of mind so high into the clouds that you feel like a divine being, watching these events transpire and the years roll on. Absolutely brilliant.