FRANK ZAPPA Necessity Is... The Early Years Of Frank Zappa & The Mothers Of Invention (2002 UK 192-page softback book from Billy James, who recaptures those early years as remembered by those who were there; Jimmy Carl Black, Roy Estrada, Bunk Gardner, Buzz Gardner and Don Preston, completing the picture with anecdotes about other ex-members like Ray Collins, Lowell George, Art Tripp and Motorhead Sherwood, the book investigates the oddball humour thatsurrounded the Zappa entourage from 1964-1970)