In this cultural history filled with exclusive, never-before-revealed details, rock journalist Joel Selvin tells the definitive story of the Rolling Stones' infamous concert in San Francisco: last minute venue changes; bad acid; open displays of guns and knives. His research and interviews with many key players, including medical staff, Hells Angels members, the stage crew, and the musicians who were there, make this the ultimate account of the final event in rock's formative and most turbulent decade.