author author author Yates, David compile Day, Mark editor moving image videorecording cau 2007 monographic eng Summary :In Harry's fifth year of study at Hogwarts, the new course in defensive magic leaves the students unprepared to defend themselves against the Dark Arts. Harry forms 'Dumbledore's Army' to prepare the young wizards for the battle ah PPAK 171119 20180727222754.0 C2-0343713 eng