Catalog your personal library at home or in the store (not a book reader). Book Mobile will scan the ISBN barcode, look up the book in your google.books.com library. You can add it. You can read reviews & ratings, compare at Amazon, or follow the menu links to more information.
(1.9)The maintenance crew came through tidied up, made Book Mobile take up less space on the phone. Known Issue: the "Review Gathering" setting is not having any effect, reviews are always gathered. (1.8)Integration with Amazon on the search result screen.