The Barnes and Noble in Rittenhouse is sizeable with three floors. It also has a coffee bar area with seating serving Starbucks brand coffee and Cheesecake Factory brand cheesecake. Although the building tends to be over-airconditioned, you can sit in the coffee area studying for many hours beyond what is reasonable without being harrassed or kicked out. In addition, it has all the sections of a bookstore you might wish - it's a megabookstore literally across the street from Rittenhouse Square.
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