Pottermore is a free website that offers an exciting online experience around the reading of the Harry Potter books. In an original and unique way, users will participate and contribute to the website in cooperation with JK Rowling, who says she will be exposing many details that has been reserved for years about the world of Harry Potter.
Although it will be open on October to all, you may enter Pottermore.com and submit your email to be notify when registration has opened.
Also remember to visit the website attentive on July 31th to see if you have the opportunity to explore Pottermore earlier.
I leave you with the first official pictures of Pottermore via BlogHogwarts, one of the 9 fansites chosen to distribute the official JK Rowling press releases.