In the book "Naval Courage: The Military History of an Armored Cruiser" by the author Thomas Tendon Jeans, the events of the First World War are revealed in detail through the prism of the activity of an armored cruiser. The uniqueness of this book lies in the fact that the author, himself a long-time sailor, tells not only about the battles and tactical maneuvers of the ship, but also about life, emotions and relationships behind the scenes. The reader will be able to feel the atmosphere of sea life and experience the challenges that faced the crew at the most dangerous time. The author examines in detail the role of the ship in major sea battles, and also shows the heroism and solidarity of sailors in the conditions of war. "Sea Courage" will become an integral part of the shelf of a true connoisseur of military history and sea adventures.