There are several different kinds of textbook editors involved in the production of educational books. Managing editors oversee the process of developing a textbook from start to finish; they define the details of each book, including subject, course level, scope, and additional materials. As a managing editor, you may also make decisions about content and the inclusion of media such as images and charts. A copy editor reviews a draft of the textbook manuscript. In this position, you read through the work to find errors and rewrite sections for clarity or to expand on some ideas. A team of editors usually review the book multiple times before they publish it.