How did a decade of love and peace end in Altamont and the Manson Family bloodbath? Gary Lachman explores the sinister dalliance of rock's high rollers and a new wave of occultists, tying together John Lennon, Timothy Leary, Mick Jagger, Brian Wilson, Charles Manson, Anton LaVey, Jim Morrison, L. Ron Hubbard and many more American cultural icons.