Harry Potter during the rise in the popularity of the Harry Potter books. The research also found that children who read Harry Potter books were not more likely to go on to read outside the fantasy and mystery genres. NEA chairman Dana Gioia said the series, "got millions of kids to read a long and reasonably complex series of books. The trouble is that one Harry Potter novel every few years is not enough to reverse the decline in reading." Jennifer Conn used Snape's and Quidditch coach Madam Hooch's teaching methods as examples of what to avoid and what to emulate in
Harry Potter and the Philosopher's Stone 8.3 million in the US. An illustrated version of "Harry Potter and the Philosopher's Stone" was released on October 6, 2015, with illustrations by Jim Kay. The book carries over 100 illustrations and will be followed by illustrated versions of all seven books from the series by the same artist. In 1999, Rowling sold the film rights of the first four "Harry Potter" books to Warner Bros. for a reported £1 million ($1.65 million in 1999). Rowling demanded that the principal cast be kept strictly British but allowed for the casting of Irish actors such as the late Richard Harris