The Great Secret - E. Phillips Oppenheim

English gentleman Hardross Courage has a good life. He has all the money he needs, enjoys sports and hunting, manages the family estate, and in general leads a satisfying life. On a trip to London to participate in a cricket match, Hardross is confronted by a man who forces his way into his hotel room imploring him to hide him. His reason - “They want to kill me”. So begins a tale that is likely to change Hardross' idyllic life forever to one of mystery and espionage. - Summary by Tom Weiss