【答案解析】The sales figures of fiction books, non-fiction books and magazines are further divided into several categories: sales to book club members and to non-book club members, the latter of which are subdivided into sales to college staff, college students, and members of public. Over 3000 publications were sold, To be specific, about 150 fiction books were sold, with the majority purchased by book club members and none by members of public. The sates of non-fiction books reaches over 1300, most of which were bought by book club members again. And college students purchase the second largest number of non-fiction books, Over 1500 magazines were purchased, most bought by college students and college staff. To conclude, magazines are the category of publications with the largest sale and that college students made the largest purchase in comparison with the ether three types of customers,