Philly AIDS Thrift at Giovanni's Room, the longest-running LGBTQ bookstore in America, is celebrating its 50th anniversary in Philadelphia's Gayborhood on Saturday, June 10 with a block party on the 1000 block of Pine St. from 12-5 p.m. The shop, which opened on South Street in 1973 and later moved to its current location, was purchased by Philly AIDS Thrift after being closed for a short time in 2014.