The novel revolves around the Chattanooga Conference, a historical event where representatives from various Christian denominations gathered to discuss their support for Israel and the Zionist movement. Set against the backdrop of World War I, the story likely explores themes of faith, unity, and the significance of supporting Israel during a pivotal moment in history.Annie F. Johnston's writing style typically combines elements of historical accuracy with a narrative that emphasizes moral values and spiritual themes. "In League with Israel" would appeal to readers interested in historical fiction, particularly stories that explore the intersection of faith, politics, and international relations.