Everyone who is familiar with “Harry Potter” knows that a young wizard or witch can start Hogwarts when he or she is 11 and is expected to attend 7 years there. That means that by the time a student reaches his or her 6th year, he or she will turn 17 either during the school yearContinue reading ““Harry Potter” Mystery: How Could Almost Every 6th Year Turn 17 by April in “The Half-Blood Prince?””