One of the many perks of working at a library is, well, books. All these lovely, precious books just waiting for you to read. Not everything is fun and readings, though. Think of all the dirty hands that touch your precious books. Some people lick their fingers to turn the pages. Others may lend out a book and eat while reading. Yuck.

So, how do you clean up after everyone’s mess?

The Boston Public Library recently caused a stir by tweeting about the Depulvera; the “car-wash” system it employs to clean their books:

Although the Depulvera will dust your books, what happens with all those grease stains and germs? Thankfully, it turns out there is…