Ready For Take Off - by Leif Hamre.
Hardback, 1962.
ISBN 034009043X
That's all I could find out.....
If you like his writing you could always buy his other books too........
Otter Three Two calling
Operation Arctic
Blue Two - Bale Out
Contact Lost
Til Borgen! Til Borgen!
I think I need to go and check my stamp collection now with a nice hot mug of Ovaltine and a plain chocolate digestive...