Book 17

In the book Harry Potter and the Prisoner of Azkaban pg 1-150 by JK Rowling it shows a theme of trust. In the beginning Harry is isolated in his room again on his birthday, and for once got presents. A broom cleaning kit from Hermione a sneakoscope from ron and a monster book from Hagrid.  Minerva Mcgonagall sent him a hogsmeade permission slip that a parent or guardian had to sign. So he probably wouldn't be going. Harry's aunt came the next day and Harry nearly killed her for insulting his mom. And after left with his stuff.  soon he found a night bus for stranded witches and wizards. Harry realizes that Sirius Black is after him. On the hogwarts express Harry got attacked by a dementor but saved by prof Lupin and learned he was defence against the dark arts, and Hagrid was care of  magical creatures. In care of the magical creatures Malfoy insulted a hippogriff and got cut. When it was defence against the dark arts they were practicing boggarts and prof Lupin suspiciously stopped on Harry. The next day was the hogsmeade trip and realized Sirius was in hogwarts. At the next quidditch match, there was a grim defeat because the dementors rigged the game. Soon Harry gets a gift from the Weasley twins. The marauders map.  Soon after the marauders map, he got a firebolt.