2manybooks lets readers and collectors digitize, organize, and value their libraries. Snap a photo of a shelf or search by title or ISBN to auto-identify books and build a searchable catalog with accurate metadata, covers, and pricing. Import from Goodreads, track market values over time, and share collections with a community of collectors. Browse trending libraries, follow users, and make offers in a built-in marketplace, all across mobile, tablet, and desktop.