Title: The pigeon house
Description: A romance of the Foreign Legion, published in North America as <a href=http://openlibrary.org/works/OL6913255W/The_key_man>The Key Man</a>.  Unusual in that the romantic pair are married before the story starts, but the marriage is only consummated after an adventure in Morocco and the Basque country.
People: Rex Garrett, Sally Candlin
Time periods: 1920s