Nobody,” said Myrtle, picking moodily at a spot on her chin. “He said he’d come back and see me, but then  you  said …

Yeah, that is weird,” said Harry, frowning. “I heard him telling Crabbe it wasn’t Crabbe’s business what he was doing…

Harry wracked his brains over the next week as to how he was to persuade Slughorn to hand over the true memory, but n…