"Oh! I have one of those!" Merlin looked up towards the second story mezzanine, trying to think where he would have put it. "It was one of those kismet moments, you know? Had a feeling it was going to be big. Come, we're going to find it." He grinned at Luna playfully and headed for the stairs, leading her up to the second floor where he kept most of his first editions. "Melville... Melville... it's here somewhere..." He disappeared around a shelf to skim along, focused solely on this outcome. And then he'd get Luna naked against a shelf.
"Ah hah!" he called, and held up the book triumphantly. "You see? I was right!"