Bergman on Bergman / interviews with Ingmar Bergman by Stig Björkman, Torsten Manns [and] Jonas Sima. Translated from the Swedish by Paul Britten Austin
Each interview lasted on an average four hours. Altogether we spoke with Bergman about his films for rather more than fifty hours. About half our conversations were tape recorded. This book is based exclusively on this interview material. - Foreword