Over the course of his 40-year career, Alan Aldridge has been the design guru for the Beatles; a designer of gigs and album covers for the Rolling Stones, Elton John, the Who, Cream, and Led Zeppelin; the target of police prosecution for his notorious Chelsea Girls poster; the author of the bestselling children's book The Butterfly Ball ; and a graphic designer for the Hard Rock Cafe, the House of Blues, and the New York Times . Here is the definitive...