Portraits of clandestine gay life on Manhattan's piers, in an authoritative overview published for Alvin Baltrop's first retrospective For 11 years in 1970s and '80s Manhattan, the Bronx-born photographer Alvin Baltrop obsessively documented cruisers, sunbathers, fornicators and friends around the city's piers, in that brief moment after the Stonewall riots and before the explosion of the AIDS epidemic. The largest book yet...