Do you consider your Harry Potter knowledge worthy of an invitation to Horace Slughorn's prestigious Slug Club? Are you capable of casting your own Patronus Charm and graduating Hogwarts School of Witchcraft and Wizardry with advanced N.E.W.T. grades? In addition, can you imagine being able to demonstrate your ability to recite the A to Z of spells and become as talented as Professor Snape in potions? If...