
Harry Potter and the Order of The Phoenix
By J.K. RowlingIn this book, Harry Potter is visited by a group of wizards and then goes to Sirius Black’s house, which serves as the headquarters of the Order of the Phoenix. The Order of the Phoenix is a group of wizards led by Hogwarts headmaster Dumbledore. Their mission is to prevent Voldemort from rising to power again. However, they must operate secretly to avoid detection by the Ministry of Magic.