: Because Umbridge refuses to teach practical magic, Harry secretly forms his own group, Dumbledore’s Army , to teach his peers defensive spells.

(Harry Potter and the Order of the Phoenix) is the fifth and longest book in J.K. Rowling’s series. It follows Harry’s difficult fifth year at Hogwarts, marked by teenage angst, political denial, and the rise of a secret resistance. Plot Summary

: After a Dementor attack in the Muggle world, Harry is whisked away to 12 Grimmauld Place , the headquarters of the Order of the Phoenix —a secret group led by Albus Dumbledore to fight the returned Lord Voldemort.