Edwin Balmer 
Ruth of the U. S. A. [EPUB ebook] 

Ruth of the U.S.A. is very much in the E. Phillips Oppenheim suspense-novel tradition, with a plucky young American woman getting involved with spies through a chance street encounter. It’s a fast, fun read and holds up well as a historical novel.

“Spying, fighting, danger, and love … all breezily told.”—Indianapolis Star