The Danger for Spies - Hearts in Hazard, #5

In The Dangers for Spies, a former double agent's past causes present dangers. Once the toast of Paris, Eugenie DesChamps lives in a bucolic English village, paints landscapes, and flirts with Charles Audley, a secretive cryptographer for the British government. Eight years ago Eugenie courted danger by stealing Napoleon's battle plans for English spies. When a French spymaster discovered her double game, she barely escaped with her life. Now that same French spymaster has stolen into England.
His mission is to capture the cryptographer Charles Audley. Discovering the double agent who eluded him sweetens his assignment. A thirst for revenge drives the twisty romantic suspense of The Dangers for Spies, book 5 in the Hearts in Hazard series. The Hearts in Hazard series offers mystery and suspense with a dash of romance. All the novels are stand-alones although a few characters occasionally cross into other books.