First edition. London. Herbert Jenkins, 1940 Spectacular front panel artwork typical of Herbert Jenkins wrappers of that era. None of this writer's work was published in America and in my experience all of the
UK first editions are difficult to find in jackets.
London & Glasgow, Blackie & Son Limited, 
An attractive early jacketed work on aviation, in the rare dust-jacket.by Leslie Carr (more well-known perhaps for his depictions of locomotives).
First edition. A very attractive example with jacket design by Abbey. London, Collins, 1941 A typical espionage title set in Istanbul by James Morgan Walsh, born 1897 to 1952, also wrote as H. Haverstock Hill, Stephen Maddock, George M. White. He was born in Australia and came to England in 1925. The majority of his work leans towards spy and adventure rather than pure detective fiction