The first book about Harry Potter's adventures which is called "Harry Potter and the Philosopher's stone" tells us about how Harry's adventures begin. He has been living with his unkle and aunt for 11 years and one day he's got a letter from Hogwarts. A man named Hagrid came to Harry and told that he was a wizard.So on the 1 st of September Harry left for Hogwarts and had an interesting and adventurous year in the school of witchcraft and wizardry. He found two loyal friends at Hogwarts: Ron and Hermione. At the end of the book Harry faces his enemy the Dark Lord Voldemort who killed Harry's parents many years ago. In the end of the book Harry saves the philosopher's stone from Voldemort and goes home for summer.