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Harry Potter author J.K. Rowling will mark the release of the final book in the series by giving a midnight reading and signing in London.
About 1700 lucky fans in Britain and Ireland will win a chance to have Rowling sign a copy of Harry Potter and the Deathly Hallows at the Natural History Museum on July 21, the day the book is released.
The first 500 randomly selected winners will also be invited to attend Rowling's midnight reading.
