J. K. Rowling

"Harry Potter thinks he is an ordinary boy. He lives with Uncle Vernon, Aunt Petunia and his cousin, Dudley, who make him sleep in a cupboard under the stairs. Then Harry starts receiving mysterious letters and his life is changed for ever. He is whisked away by a beetle-eyed giant of a man and enrolled in Hogwarts …

Harry can't wait for his holidays with the dire Dursleys to end. But a small, self-punishing house-elf warns Harry of mortal danger awaiting him at Hogwarts School. Returning to the castle nevertheless, Harry hears a rumour about a chamber of secrets, holding unknown horrors to magicians of Muggle parentage. Now …

For twelve long years, the dread fortress of Azkaban held an infamous prisoner named Sirius Black. Convicted of killing thirteen people with a single curse, he was said to be the heir apparent to the Dark Lord, Voldemort.Now he has escaped, leaving only two clues as to where he might be headed: Harry Potter's defeat …

The paperback edition of the legendary, record-breaking, best-selling fourth Harry Potter novel.Harry Potter is midway through his training as a wizard and his coming of age. Harry wants to get away from the pernicious Dursleys and go to the International Quidditch Cup. He wants to find out about the mysterious event …