“Travel?” the customers ask me. “900s,” I tell them. They follow the direction of my pointing finger and head off to the corner where we keep our travel books. And within such a fleeting moment, our interaction is through. Of course, it’s worth noting that while the Dewey Decimal System has contributed a significant amount to libraries, it’s far from perfect and so was its creator. Now, it’s your turn. Do you know your way around the Dewey Decimal System? Show us your chops in this quiz and then be sure to brag about your accomplishment to all your bookish friends!

How Well Do You Know the Dewey Decimal System?

How did you do? Give us a shout on Twitter to let us know and challenge your friends to take the quiz. Find out more about the Dewey Decimal System and its many curiosities here and pick out some DDS-inspired jewelry to celebrate libraries.