Harry stared at her incredulously. "That is a pity. It's a shame, you know, that I don't have my Time-Turner with me. You see, a few years back, some psychopath that didn't like me very much - there have been a few in my life - decided to enter me for this ludicrously perilous little competition. Maybe you read about it. But the third part of it involved me going through a maze. And, back then, this very clever and very sexy young witch - now don't go getting jealous about this - taught me something called the Four-point spell, to give me directions. If only she was here now ... she'd know what to do ..."