World War I Spies by Michael E. Goodman
Wars aren't just won or lost on the battlefield. For centuries, nations have employed Wartime Spies to stay one step ahead of the enemy. In this new series, readers will gather intelligence on the events surrounding significant conflicts, uncovering how spies from all sides played a role in the war's outcome. Each title demonstrates how its era's agents, double agents, and moles communicated and completed daring missions, all while using tools, tricks, and technology to outwit one another. A timeline of important events adds further historical context.