BlogDex for Books
Davd Sifry:
Technorati Hack - Most popular products
people are talking about today.
This uses the Technorati API combined with the Amazon API to get
aggregate information on the products people are linking to on Amazon,
in real-time, and then showing a combined view of the product picture
along with the context from the most authoritative blogger who has
posted about the product in the last 24 hours.