This work examines the operational history and combat legacy of the HMNZS Achilles, a Leander-class light cruiser that served with distinction during the Second World War. The author, Jack S. Harker, provides a detailed account of the vessel's service, drawing upon his own experiences as a crew member and extensive research into naval records. The text serves as both a personal memoir and a technical chronicle of the ship's involvement in critical maritime engagements, most notably the Battle of the River Plate.

The text provides a dense, firsthand account of naval operations that serves as a primary source for students of twentieth-century maritime conflict. Its focus on the specific technical and human elements of the HMNZS Achilles offers a specialized perspective on the role of the Royal New Zealand Navy during the Second World War.