While volumes 1 and 2 of Harry's adventures were clearly aimed at younger readers, both in the style of the plot, you enter with the "Prisoner of Azkaban" in the real world of JK Rowling, c ' Volume is when everything changes, and where you find yourself, as an adult, feverishly turning the pages to know what happened. The story: Harry's aunt comes to spend a few days with the Dursleys and get it to fly off the handle - it uses magic under the influence of anger and knows he will be returning to Hogwarts for this fault. But unlike last year, it does not receive a letter from the Ministry him announcing his dismissal, on the contrary, it is permitted to finish his vacation at the Leaky Cauldron, against the promise that he will not come out in the Muggle London . He soon learns the cause of these attentions: a prisoner has escaped from Azkaban and seems to blame her personally. Volume ranges from revelation to revelation about the past at Hogwarts of Harry's parents, on their fight against Voldemort, the causes of their death, a background that the reader drunk with happiness. The end is truly amazing, incredible, we do not believe this is by far my favorite volume for both the nesting of various intrigues, for the darkness that continues to emerge of the wizarding world, and for the side "Agatha Christie" of the solution to the enigma at first, who gets to literally the saying "appearances are deceiving" ... To note, the growing differences between the film and the book, this time, which will then only widen from film to film, the myriad details becoming too difficult to make cinema: this time, the only film not enough to really understand the scope of the story described in "The Prisoner of Azkaban", you will discover many things not mentioned in the film.