he AIA Bookstore is a recognized leader in architecture books, AIA Contract Documents, personal and executive gifts, and creative childrens' toys. The bookstore is operated by the Philadelphia Chapter of the American Institute of Architects, one of the oldest Chapters of the AIA. If you're in Philadelphia, please visit our physical location at the Center / Architecture + Design, located at 1218 Arch Street, just steps away from the Reading Terminal Market and across the street from the Pennsylvania Convention Center.