Yes, that would be Hermione’s advice: go straight to the Headmaster of Hogwarts, and in the meantime, consult a book. Harry stared out of the window at the inky, blue-black sky. He doubted very much whether a book could help him now. As far as he knew, he was the only living person to have survived a curse like Voldemort’s; it was highly unlikely, therefore, that he would find his symptoms listed in Common Magical Ailments and Afflictions. As for informing the Headmaster, Harry had no idea where Dumbledore went during the summer holidays. He amused himself for a moment, picturing Dumbledore, with his long silver beard, full-length wizard’s robes and pointed hat, stretched out on a beach somewhere, rubbing suntan lotion into his long crooked nose. Wherever Dumbledore was, though, Harry was sure that Hedwig would be able to find him; Harry’s owl had never yet failed to deliver a letter to anyone, even without an address. But what would he write?