1976

Granada Publishing London Toronto Sydney New York

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

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

London, New Yorkm Sydney, Toronto : John Wiley & Sons Ltd

New York, London, Sydneyn Toronto: John Wiley & Sons

Düsseldorf, Auckland, Johannesburg, Kuala Lumpur, London, Mexico, Montreal, New Delhi, New York, Pan

Düsseldorf, Auckland, Johannesburg, Kuala Lumpur, London, Mexico, Montreal, New Delhi, New York, Pan

1976

Lodon/New Yourk/Sydney/Toronto : Hamlyn