Authors Alois Sitek and Vernon Blunt     Published in 1940    Published by Allianz Press, London

Author Bill Scull      Published in 1977       Published by Pelham Publishing, London

Author Edward Hull   Published in 2000    Published by Woodfield Publishing, Bognor Regis

Author Ann Welch    Published 1986    Published by A&C Black, London For copyright reasons, only a sample of this book is available

Author Peter Scott     Published in 1961   Published by Hodder & Stoughton, London For copyright reasons, only a sample of this book is available

Second Edition Author Ken Stewart     Published in 1999    Published by Airlife Publications For copyright reasons, only a sample of this book is available

Edited by Richard Serjeant & Alex Watson.  Published in 1985      Published by Nicholas Kaye, London