Harry Potter And The Prisoner Of Azkaban:
The book follows Harry Potter, a young wizard, in his third year at Hogwarts School of Witchcraft and Wizardry. Along with friends Ronald Weasley and Hermione Granger, Harry investigates Sirius Black, an escaped prisoner from Azkaban, the wizard prison, believed to be one of Lord Voldemort‘s old allies.
Thirteen-year-old Harry Potter spends another unhappy summer at the Dursleys. After Aunt Marge insults Harry and his deceased parents, an angry Harry accidentally inflates her. Fearing expulsion from Hogwarts, he runs away. On a dark street, a large black dog watches Harry. Startled, Harry stumbles backward, causing his wand to emit sparks. The Knight Bus, a vehicle that rescues stranded wizards, suddenly arrives.