This is a free, online wikibook, so it is continually being updated and refined. According to the authors, the group "is dedicated to making a free, open-content, standardized textbook on World History based on the AP World History Standard. The goal is to create a standard of quality which will suffice for a secondary and post-secondary environment. The World History Project is the "brains" behind the organization. We are a set of regular contributors who organize and give the major guidance to the World History page."