Ah! Well, no, it's not me, I'm afraid. I may be a generally suspicious figure, but I promise you, I don't have a paramour here or anywhere else, ha!

[glances down at the defaced book again, shaking his head]

While you lie in wait on your hunt, it might not be a bad move to leave little paper slips on some of the shelves, though, as an alternative target? If the point is to pass love notes and not simple defacement, anyway.