Happy birthday Harry Potter! In honor of Harry Potter’s birthday Amazon is offering the Harry Potter Hogwarts Collection (Blu-ray + DVD) for only $97.99 (reg. $249.99!).This 31-disc collection contains all eight Harry Potter movies on Blu-ray, DVD and UltraViolet and more than 45 hours of special features including the Creating the World of Harry Potter documentary series on Blu-ray. Wow!