Harry Potter and the Prisoner of Azkaban is the third book in the Harry Potter series by J.K. Rowling. The book follows Harry Potter in his third year at Hogwarts, where he learns of the escape of Sirius Black from Azkaban and of a new mystery surrounding the returning threat of Lord Voldemort. The book explores themes of friendship, loyalty and betrayal, and it also features many exciting and magical elements.
