An earlier discussion on HP anticipating the film can be found on this thread , it also has a lot of recommendations for other books.

Clinton, "JRR didn't have many original ideas either...." neither did Shakespeare, there's nothing new under the sun.
I've just finished part 3 of Philip Pullman's "His Dark Materials" trilogy, certainly the outstanding piece of children's literature I've read for a very long time. Pullman comments at the end "I have stolen ideas from every book I have ever read. My principle in researching for a novel is "Read like a butterfly, write like a bee," and if this story contains any honey, it is entirely because of the quality of the nectar I have found in the work of better writers."
The Amber Spyglass was included in the long-list for the Booker Prize this year, the premier literary award in the UK for adult fiction, an astonishing achievement for a children's writer.

Hollowfox, so I'm not the only avid reader who can't get a handle on Jane Austen?