"DC3 to B747", these are the publishers details etc from my copy of the book (signed by Arthur himself in December 1991 !!):
Behind the Cockpit Door: an Airline Pilot's Illustrated Story
Whitlock, Arthur
ISBN 0-86303-565-5
Published by Merlin Books Ltd, Braunton, Devon, England
I have found one entry for a Merlin Books,
www.merlinbooks.com, phone/fax 01403 257626
int: +44 1403 257626
Good luck