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First published in 1941, this is a revised edition of 1943. Interestingly on the opening page a note states "Leave this book at a post office when you have finished it, so men and women of the services may enjoy it too! No mention is made of enemy agents who clearly would have gleaned much from the 192 pages which are packed full of illustrations and line drawings. The volume covers both allied and axis aircraft types current in the mid years of WWII. Minor age wear.