Scan the book barcode. Bowen bookstore management system is online bookstore management software, bookstore sales system, book sales software, book sales system, bookstore sales software, bookstore sales system and book software. Bowen book management system can export book information by scanning book bar codes. Bar code is a graphic identifier that arranges a number of black bars and blanks with different widths according to certain coding rules to represent a group of information. Common bar codes are parallel lines composed of black bars (referred to as bars) and white bars (referred to as spaces) with great differences in reflectivity.