Just saw this post at The Guardian about James Purnell, the British work and pensions minister who has just resigned. Apparently, Purnell is now whiling away his time by arranging his books (gasp!) alphabetically (yawn...).
Alphabetization does have its merits. You can easily find a particular book if your collection is arranged from A to Z. But this system is so boring. It's just unimaginative. It makes me think about those spinster-ish librarians. Even children have been known to arrange books according to color, which can be aesthetic.
I employ a much simpler approach. I just separate the books I've read from the ones I'm going to read. It just gets complicated when I encounter books of differing sizes. (I hate seeing books with different sizes clumped together in a shelf.)
A few months ago, I was cleaning some of the cabinets at my house when I discovered some of the paperbacks I devoured when I was in high school. Apparently, there's tons of them. And since I ran out of bookshelves, they're still stacked up on on side of the hallway.
How about you, dear reader? How do you organize your bookshelves? With the pictures of other people's bookshelves that I have with me, I can't seem to note a system.