There are no future Harry Potter books or movies to look forward to, so what is a fan of the boy wizard to do? Author J.K. Rowling announced in 2011 that Harry's newest adventure would transpire online. An interactive Web site called "Pottermore" lets fans dive further into the world of Harry Potter. It also has an online store featuring the debut of e-books of the Potter series. No games are present on Pottermore; Rowling wants to encourage reading. To that end, she has written 18,000 words of new material for the site. The site outlines new details on the books' characters and settings.
The Web site provides _________ material.
A additional
B artificial
C critical
D factual