AWS ISBN lookups

According to
http://developer.amazonwebservices.com/connect/thread.jspa;jsessionid=60DB095B0716D304492219731874FBC8?messageID=21917喝


http://xml.amazon.com/onca/xml3?locale=us&t=[amazon-id]&dev-t=[token]&AsinSearch=[isbn]&mode=books&sort=`+pricrerank&offer=All&type=heavy&page=&f=xml

Alternatives to Amazon API:

isbndb.com