1992

London : HarperThorsons Publishers

1984

London : HarperThorsons Publishers

1981

London : Thorsons Publishers

London: Harper Collins Publishers 1996

London, Harper Collins Publishers 1992

New York/Evanston/San Francisco/London, Harper and Row Publishers 1973

New York-Evanston-San Francisco-London, Harper & Row, Publishers. 1975

New York-Evanston-San Francisco-London, Harper & Row, Publishers. 1971

2006

London : Harper Collins Publishers

2004

London : Harper Collins Publishers

Harper Collins Publishers. London

London (GB), Harper Collins Publishers

1995

Harper Collins Publishers, London

Harper Collins Publishers Ltd., London

1993

London The Aquarian Press an imprint of Harper Collins Publishers