In "At the Sign of the Sword," Le Queux combines elements of romance and wartime adventure. The story likely centers on a central character or characters involved in a conflict, with the "Sign of the Sword" suggesting a symbol of war, honor, or a particular military order or location. The narrative probably weaves together themes of bravery, loyalty, and the complexities of love during turbulent times.The plot might follow the protagonist through battles and military campaigns, interspersed with a romantic storyline. Given Le Queux's knack for suspenseful and fast-paced storytelling, the novel is expected to feature dramatic confrontations, strategic maneuvers, and emotional challenges.