The author’s new novel, ‘The Casual Vacancy,’ is set to drop Sept. 27.

Although the site doesn’t officially open to the public until October, there have already been over 22 million pageviews, and a million lucky people were chosen for a sneak peek and the opportunity to shape the website’s development. Those early users have been able to do things like learn new facts about the Potterverse, open an account at the goblin bank Gringotts, and collect items for a virtual “trunk.”