Community Bookstore 40th Anniversary Come help celebrate the 40th Anniversary of Park Slope’s Community Bookstore today (Sep 17) at 2PM at the Old First Church (7th Ave at Carroll St) in Park Slope, Brooklyn. To help us celebrate, Paul Auster, Jonathan Safran Foer, Siri Hustvedt, Nicole Krauss, Mary Morris, Jon Scieszka and special guests will…