World War I novels

1.

"On a sunny afternoon in late June 1914, Cambridge professor Joseph Reavley learns that his parents have died in an automobile crash. Joseph's brother, an officer in the Intelligence Service, reveals that their father had been en route to London with a mysterious secret document--allegedly possessing the power to disgrace England and destroy the civilized world. Now that explosive paper has vanished, and Joseph is left to wonder: How had it fallen...

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5.

3 stars

With the war coming to a close, chaplain Joseph Reavley and his family learn that the identity of the sinister ideologue called the Peacemaker is about to be revealed by a German counterpart, but the family must first solve the mystery of a murdered nurse.