Harbor of Spies is an historical novel set in Havana in 1863 during the American Civil War, when the Spanish colonial city was alive with intrigue and war-related espionage. The protagonist--a young American ship captain named Everett Townsend--is pulled into the war, not as a Naval officer, as he had once hoped, but as the captain of a blockade-running schooner. The rescue of a man outside Havana harbor sets in motion a plot where Townsend finds...