How do you organize your bookshelves, if you even organize them?

How do you organize your bookshelves, if you even organize them?

Fiction alphabetical, non-fiction divided by category and then either alphabetical or chronological by topic, depending on subject.

i make your mom do it

I arrange my books according to the author's dick size.

By topic, duh.

/thread

Authors nationality/cultural circle/cultural subject.

by color

goat compilation

>girlfriend wants to do this
>conflicts with my alphabetized autism

By Non fiction and fiction.

Fiction is sorted by country, then author's last name.