Book excerpt: Mick Jagger is, without question, one of the dominant cultural figures of our time. Swaggering, strutting, always fascinating, he boasts a career spanning more than 4 decades. As Jagger celebrates his 50th birthday in 1993, Andersen strips the mask from Jumpin' Jack Flash in a biography as shocking and uncompromising as Jagger himself. The riveting portrait that emerges is based on years of research and countless interviews. Jaggers' bisexual history, his marriages and affairs, drug use, brilliant business dealings, and the scandals of his bands -- the book provides revealing info. about all of these and more. The definitive biography of a man whose very name defines an era.