General

• Kafka, Oliver & Boyd, London 1967
• Swansong (poems), Shenval Press, London 1968
• The Opera House Album, Robson Books 1979 ISBN 0800858360
• W. H. Auden: The Life of a Poet, Methuen, London 1980 ISBN 0 413 39670 3
• Letter to W. H. Auden and Other Poems, Calder Publications 1984 ISBN 0714540366
• Giving it Away (memoirs), Secker & Warburg, London 1986 ISBN 0 436 35401 2
• Black Coffee (Agatha Christie), Collins Crime, London 1998 ISBN 0002326620
• The Life and Crimes of Agatha Christie, Harper Collins, London 2000 ISBN 0006531725
• Murder In Three Stages (Agatha Christie), Harper Collins, London 2007 ISBN 0007245793
• Spider's Web (Agatha Christie), Harper Collins, London 2008 ISBN 0006514936
• The Unexpected Guest (Agatha Christie), Harper Collins, London 2008 ISBN 0006513689

Music

• The Complete Operas of Verdi, Victor Gollancz, London 1969
• Wagner and his World, Thames & Hudson, London 1977 ISBN 0 500 13060 4
• The Complete Operas of Puccini, Victor Gollancz, London 1981 ISBN 0 575 03013 5
• How to Enjoy Opera, Piatkus, London 1982 ISBN 0 861 88144 3
• The Dictionary of Opera, Macdonald & Co, London, 1983 ISBN 0 356 097005
• The Complete Operas of Wagner, Victor Gollancz, London 1990 ISBN 0 575 05380 1
• The Complete Operas of Strauss, Victor Gollancz, London 1992 ISBN 0 575 05379 8
• The Complete Operas of Mozart, Victor Gollancz, London 1992 ISBN 0 575 03823 3
• The Opera Lover's Companion], Yale University Press ISBN 9780300104400

• Publisher's biographical note added to Osborne, Charles: The Complete Operas of Wagner (1992), Victor Gollancz Ltd, London