In Harry Potter and the Order of the Phoenix, Harry returns for his fifth
year of study at Hogwarts and discovers that much of the wizarding community has
been denied the truth about the teenager’s recent encounter with the evil Lord
Voldemort. Fearing that Hogwarts’ venerable Headmaster, Albus Dumbledore, is
lying about Voldemort’s return in order to undermine his power and take his job,
the Minister for Magic, Cornelius Fudge, appoints a new Defence Against the Dark
Arts teacher to keep watch over Dumbledore and the Hogwarts students. But
Professor Dolores Umbridge’s Ministry-approved course of defensive magic leaves
the young wizards woefully unprepared to defend themselves against the dark
forces threatening them and the entire wizarding community, so at the prompting
of his friends Hermione and Ron, Harry takes matters into his own hands. Meeting
secretly with a small group of students who name themselves “Dumbledore’s Army,”
Harry teaches them how to defend themselves against the Dark Arts, preparing the
courageous young wizards for the extraordinary battle that lies ahead.