I Spy

'I Spy' is an adventure-mystery novel written by Natalie Sumner Lincoln. The story is set in World War I, when the allied forces, English and French, had been bent backward day by day, until it seemed as if Paris was fairly within the Germans' grasp. Bent indeed, but never broken, and with the turning of the tide the Allied line had rushed forward, and France breathed again. Two men, seated in a r...