You're a male over 30? I doubt you'd like Twilight since it's a (very chaste) teen vampire romance. Actually, so is Vampire Diaries, though it was written before Twilight. The Sookie Stackhouse books are worth reading because of the many differences between them and True Blood. But the show is still faithful to the main story and most of the characterization. And the books have a fe clues to some of the subtle stuff going on in True Blood.