This is a neat site.
What is LibraryThing?
Enter what you're reading or your whole library—it's an easy, library-quality catalog. LibraryThing also connects you with people who read the same things.
* Searches Amazon, the Library of Congress and 60 other world libraries.
* Get recommendations. Connect to people with similar libraries.
* Tag your books as on Del.icio.us and Flickr.
* Put your books on your blog.
* Export your data. Import from almost anywhere too.
If you want to explore the site, try the zeitgeist and the BookSuggester. For example: enter From Dawn to Decadence and you'll get a recommendation for The Metaphysical Club.
[Looks rad, but i wonder if there's any way for me to upload my Delicious Library file to it?
I spent a lot of time populating DL -- though i've since slacked and it's woefully out of date -- it'd be nice to start from there... -k]
LibraryThing | Catalog your books online