Typo errors
Despite checking and re-checking the manuscript numerous times, you may still find the occasional typo error.
-page 179, Renwal (U.K.) should of course be (U.S.A.)
-page 220, under "1936", "Hawker Fury I" - 2P and 25PM under "year" should read "1936-41"
-page 220, under "1936", "Blackburn Shark I" - 36PM under "year" should read "1936-41"