Louis knows the LOTR trilogy by heart and he’s read all the books. He likes to try to sneak quotes in when possible:

The whole coven agrees that they’re all beautiful films, they’re modern classics in a way. The LOTR movies are watched more often at coven gatherings than the Hobbit movies, but more because of the story and characters than the cinematography Louis has a not-so-secret crush on Aragorn that everyone likes to tease him about!

Louis knows all kinds of obscure trivia, and has debates about them with Armand, who has also read them all. Lestat, feeling left out of these discussions, tried to read the books and fell asleep repeatedly. He mispronounced the names of characters and places a few times and refuses to try to read them again for fear of further ridicule. 

Armand is very into the hobbits themselves as creatures and has gone to New Zealand with Daniel more than once to check out Hobbiton.