"To this day, wherever great rock music is being made, there is the shadow of Bob Dylan," said Bruce Springsteen at the induction of Dylan into the Rock and Roll Hall of Fame in 1988. Or to quote John Rockwell, "Anyone who didn't live through the sixties simply cannot realize how important his albums seemed then; they defined a community." Dylan is a musical, literary, political, and religious icon whose lyrics and mystique have spawned countless...