London / New York / Toronto / Sydney, Verlag quantum

Academic Press Inc., London, New York, Paris, San Francisco, Sao Paulo, Sydney, Tokyo, Toronto

London, Toronto, Sydney & New York: Granada

Granada Publishing, London, Toronto, Sydney, New York 1979

Granada Publishing, London, Toronto, Sydney, New York 1979

1976

Granada Publishing London Toronto Sydney New York

New York, Toronto, London, Auckland, Sydney, Mexico City, New Delhi, Hong Kong, Scholastic Inc. 2001

New York, Toronto, London, Auckland, Sydney: Scholastic

London & New York & Sydney & Toronto, Country Life

London, Edinburgh, Munich, New York, Singapore, Sydney, Toronto & Wellington: Saur

Granada / London, Toronto, Sidney, New York

2007

Scholastic Inc. New York, Toronto,London,Auckland, Sydney, Mexico City, New Delhi, Hong Kong, Buenes

New York-London-Toropnto-Sydney-Singapore, Simon & Schuster. 2003

1976

Lodon/New Yourk/Sydney/Toronto : Hamlyn

New York-London-Toronto-Sudney, Simon & Schuster Inc. 2010