I am currently restricted from entering half-price books because I can't leave without taking more books with me than I ever take in. It's a great concept, go in and sell books you're done with and get a few bucks. Unfortunately, by the time I get to the cash register, I have exceeded my credit and bring home more books than I have room for. Seriously, though, they have clearance books as low as a dollar or two, and there's always something interesting to be found.
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