One thing I've always liked to do was collect books. Before skyrim I just had a chest with books in it, and I was thrilled to find you can actually place books in them.

Now for the ultimate mod idea. A massive public library with bookshelves, enough to house nearly every book in skyrim.
An NPC librarian would tell you which ones you had not collected so that you could go out and search for them and strive to complete your collection.

Maybe even have an assortment of bards that would play a tune befitting the book you are currently reading.

Was just in the high hrothgar and got inspired in their dining room. Would make an epic library.

The college in Winterhold has a decent library. Not to the scale you're mentioning though.

Also, has anyone else read that one book "Alduin is Real"? Hilarious.

I think some of the books may be random my friend.

The college doesn't really have the books in them though they are just giant book-themed boxes, not actual bookshelves.