The adventures of Harry Potter are now available electronically.

Where you can buy them

The seven novels about J.K. Rowling's boy wizard are for sale as e-books and audio books on the author's Pottermore website, the site's creators announced Tuesday.

How you can use them

The digital books are accessible on dedicated e-readers, tablets, personal computers and mobile phones. The first three Harry Potter titles are priced at $7.99 each, while the remaining four titles, which are longer in length, cost $9.99 each. Enhanced editions that may have video and other features will eventually follow. The bookstore's website is

---- author J.K. Rowling