Average or Count function does not work correctly. Most category headings are formatted. Information is readable. Grade book is missing two or more elements. Functions do not work correctly.
Information is unorganized and hard to read.
Category headings are not formatted. Include in your database the name of the book or video, the author, a short review, and whether the item is a book or video. Print the database. Database contains all required elements. Data is organized and formatted and is easy to read.