Answer: the opportunity to make a catalogue of your books and then graph the costs of them! I know I’ve done this before, but it never fails to make me happy! Of course, this graph doesn’t show all my books – I’m still packing them, a process which takes slightly longer when you decide to scan all of them into Delicious Library. But hey, I gots me a graph.

(Click above image to see full-sized chart!)

Addendum: It seems that Confederacy of Dunces is now worth £40 – I’m not sure if that’s quite the edition I’ve got, but here’s my review of that novel.