书籍信息，包括图书编号、图书种类、图书名称、单价、内容简介等；购书者信息，包括购买编号、姓名、性别、年龄、联系方式、购买书的名称等；购买方式，包括付款方式、发货手段等。根据读者信息查询购书情况，将统计结果以报表形式输出。-Books, including book number, book type, book name, price, content profile, etc.　book buyers information, including the purchase number, name, sex, age, contact information, to purchase the book and the name　purchase, including payment , delivery means. According to information query textbook case the reader will output the results to report.