If G.K. Chesterton had written Half-Blood Prince… The study of Albus Dumbledore, headmaster of Hogwarts School of Witchcraft and Wizardry, was at the best of times a crowded room. It was even more crowded at the moment, being enriched by the presence of Cornelius Fudge, the Minister for Magic, Kingsley Shacklebolt of the Aurors and a dumpy little man in a long black robe and shovel hat….