War and Lighthouses reveals the untold stories of how these coastal sentinels played significant roles in military conflicts. Far from being mere navigational aids, lighthouses were integral to naval warfare, serving as crucial communication hubs and observation posts. Their strategic importance meant they were often targets, highlighting the intersection of military strategy, technology, and maritime history.

The book explores how lighthouses were adapted for wartime use, from early naval strategies to modern maritime security. For example, they facilitated covert signaling and aided in tracking enemy vessels. The evolution of lighthouse technology directly impacted wartime communication, showcasing how advancements influenced military tactics.

War and Lighthouses uses historical records, maps, and personal accounts to illustrate these points. Starting with the historical context of lighthouse construction, the book progresses through case studies of lighthouses targeted or defended during conflicts like the Napoleonic Wars and World War II. This approach provides a comprehensive understanding of how these structures shaped naval and coastal conflicts, emphasizing their surprising impact on military outcomes.