“Although we’ll be lucky to find any proof of our theory in this mess.” Beth lifted a piece of paper from atop a ramshackle stack and stared at it. “You mean like a letter between Professor Gladstone and the IOS secretary, explaining everything?” “Seriously, there’s a letter?” he said, striding across. “What?” She looked up at him vaguely, then at the paper again. “Oh. No, this is just his grocery list. But I mean, such a letter would be the ideal proof.” Devon laughed. “My God, I love—”