As the title says, if you've ever wondered if there is a vacuum nozzle for cleaning books on the library shelves - the answer is yes, and the product in question is just that. Furthermore, this nozzle was clearly designed by someone who wanted to solve this particular problem and they succeeded. Note: It fits a Japanese vacuum hose, so you'll need an adapter for an American vacuum hose (Revain has them for a few bucks). Better yet, just grab a portable/manual Japanese vacuum cleaner. If you have a personal library and don't like collecting dust on rarely used books, then this is just what you need. Highly recommended. (I was NOT paid to leave this 5 star review)