I need help gathering background information on this topic for a business investigative report:

Topic: Students often complain about the prices of books at the campus bookstore. Many students use Web-based booksellers as an alternative. As a representative of your student government, you have decided to find out what the best alternatives are, and which is best for students at your school. You decide to compare these alternatives by considering the following: price (including shipping costs), availability, book buyback program, and students' opinions about purchasing books.