The Burning Sky — Jack Ludlow

1935. Cal Jardine, former British Officer and current soldier of fortune, breaks off his assignment smuggling Jews out of Nazi Germany when an old army colleague proposes a new commission. A mysterious group of anti-Fascist British backers want to help the Abyssinians in their fight against Mussolini's Italy, specifically to get them much-needed arms. Gunrunning under the noses of the Germans is a risky job but with a bit of luck and chutzpah, Jardine gets the weapons into Africa. That's just the start of his troubles though for as the rumbles of war get louder, he falls under the notice of the Italian army...