New band biographies include Dreams: The Many Lives of Fleetwood Mac, by Mark Blake (Oct. 1), who interviewed Mick Fleetwood, Stevie Nicks and Lindsey Buckingham, among others, for this deep dive, and The Name of This Band Is R.E.M., by Peter Ames Carlin (November 5), catnip for Gen Xers who came of age listening to these eccentric, groundbreaking musicians.