You can use this page to look up multiple prices from BookProspector.com's site. Enter your bookprospector username and password, and and email address where the results will be sent. This takes about 15 seconds per ISBN.
You can use this page to look up multiple prices from BookProspector.com's site. Enter your bookprospector username and password, and and email address where the results will be sent. This takes about 15 seconds per ISBN.