Loved by millions of readers worldwide, let the third story in the greatest children's book series of all time take you on an unforgettable journey. The hope and wonder of Harry Potter's world will make you want to escape to Hogwarts again and again. There's magic on every page!When the Knight Bus crashes through the darkness and screeches to a halt in front of him, it's the start of another far from ordinary year at Hogwarts for Harry Potter. Sirius Black, escaped mass-murderer and follower of ...