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 Lord Voldemort, is on the run – and they say he is coming after Harry. In his first ever Divination class, Professor Trelawney sees an omen of death in Harry's tea leaves … But perhaps most terrifying of all are the Dementors patrolling the school grounds, with their soul-sucking Kiss … J.K. Rowling's internationally bestselling Harry Potter books continue to captivate new generations of readers. Harry's third adventure alongside his friends, Ron and Hermione, invites you to explore even more of the wizarding world; from the secret passages of Hogwarts castle to the snowy lanes of Hogsmeade. This gorgeous paperback edition features a spectacular cover by award-winning artist Jonny Duddle, plus refreshed bonus material, allowing readers to learn about famous witches and wizards and find out more about the Patronus Charm. Perfect for anyone who's ready to lose themselves in the biggest children's books of all time.