I collect books in every game... give me a home with a bookcase to display them all, not containers... ah... who am I kidding, I don't really care enough about maintaining digial homes... but I do keep the books and letters.
My "home" in Morrowind (first just a random house without an NPC in it that I had claimed and pretended was mine, and later the manor you can receive) was literally just piles and piles of books. I tried the same in Oblivion and Fallout 3 (and New Vegas), but the funky physics engine made it unfun to stock them -- keeping them in barrels just isn't the same. At least in Skyrim they gave you book shelves for your books, which was a nice touch, even if there never was enough shelf room for everything!
Collecting books in BG3 just doesn't feel the same, though...
