found: Heart of glass, 1976:title page (Alan Greenberg) introduction (written about the making of the film, Heart of glass)
found: Amazon.com, November 10, 2011:(Alan Greenberg; author of: Heart of glass, about the making of the 1976 Werner Herzog masterwork of the same name; Rolling Stone magazine called it "The best book on the making of a film ever written")
found: IMDB, November 10, 2011(Alan Greenberg; born October 14, 1950; American film director, screenwriter, photographer, author and poet)