Yes, I am also afflicted. I didn't know this was a "thing" but invariably it affects me immediately when I enter a used book store. It's not the odor of the books, or anything physically related to books as I have a large library at home. But yeah, first thing I do at any used books venue is look for the signs for the restrooms. I didn't know this affected others, so that's interesting. A mind is a terrible thing when prompted to waste.