Some people have the Super Bowl. Others have Coachella. But for the literary junkies of the Southwest, there's the VNSA Book Sale. Short for Volunteer Nonprofit Service Association, the annual VNSA Book Sale is a treasure trove of gently used paperbacks, rare and unusual hardcovers, and the occasional audio-visual item, all organized neatly inside a warehouse at the Arizona State Fairgrounds. With only two days to shop and roughly a half-million books up for grabs, the February event sees its fair share of customers who not only camp out in line but carry their own suitcases for shopping. Better mark your calendar and set your alarm, because the book lovers who attend this sale mean business.