library thing
If you are pedantic about your book collection and in particular the way your bookshelves are organised then you might want to check this web app out. It is in beta at the moment but new features are being added all the time
Library Thing
Catalog your books online
- Easy. Catalog your books online, or just keep a reading list.
- Social. Show everyone your library, or keep it private. Find people with the same books as you. Get recommendations from readers like you.
- Powerful. Search Amazon, the Library of Congress and 30 other world libraries.
- Tagged. Tag your books as on Del.icio.us and Flickr (eg., wwii, magical realism, sexuality, christian living, cats).
- Safe. Export your data. Import from almost anywhere too.
- Free. Enter 200 books for free, as many as you like for $10 (year) or $25 (life).
Check it out here