"The Cruel Sea" is a novel written by Nicholas Monsarrat, published in 1951. It tells the story of the British Royal Navy's efforts during World War II, focusing on the crew of the corvette HMS Compass Rose. The narrative explores the challenges and dangers faced by sailors in the treacherous waters of the Atlantic Ocean, highlighting themes of camaraderie, sacrifice, and the harsh realities of naval warfare. The novel is notable for its realistic portrayal of life at sea, emphasizing the psychological and physical toll on the crew. Monsarrat's detailed descriptions of naval operations and the emotional struggles of the characters provide readers with a vivid understanding of the maritime experience during wartime.