Harry Potter et le Prisonnier d'Azkaban

J.K. Rowling

Harry faces another difficult year at Hogwarts, learning that escaped fugitive Sirius Black is allegedly after him. As school security tightens with the Dementor Patrol, Harry struggles with his reactions to them, rooted in dark memories. Throughout the year, he discovers the truth about Sirius, his godfather, who was wrongly accused and framed by the true traitor, Peter Pettigrew, who hides in the form of Ron's pet rat. With the help of Hermione and a magical time-turner, they save Sirius from an unjust fate, allowing him to escape. The year's experiences test and strengthen the bonds of friendship, while exploring themes of betrayal, loyalty, and the importance of understanding the past.