"The Mystery Ship: A Story of the 'Q' Ships During the Great War" by Percy F. Westerman is an enthralling adventure novel set during World War I. Westerman's narrative transports readers to the perilous world of naval warfare and the covert operations of 'Q' ships. The story is filled with suspense, espionage, and the courage of those who served aboard these disguised vessels. "The Mystery Ship" offers an exciting and historically accurate portrayal of this lesser-known aspect of naval warfare during the Great War, making it a captivating read for fans of military fiction and maritime history.