I couldn't stand LOTR, but I've read all 14 (or so) books in Asimov's Galactic Empire series and all of the Dune books and the subsequent off shoots.
If John Ringo had made the list I think the NPR editorial room would have looked like a scene out of Scanners....
John Ringo’s series - definitely and I would have liked to see the John Carter series by Edgar Rice Burroughs as well. Not sure if everyone would agree but it was one of my early favorites.