Planet Killer (Star Kingdom Book 6)

Submarine Adventure Stories for Kids: Dive into Submarine Adventures of Discovery, Courage & Ocean Quests! (A Must-Have for Young Explorers & Dreamers)

Submarines, Technology, and History

X3 to X54: The History of the British Midget Submarine

Submarine Design and Construction Fundamentals

China's Unmanned Sea Vessels: Military and Civilian AUV, ROV, USV, UUV

Sombra Warm Pain Relief Gel, Warm Relief for Arthritis and Chronic Pain Pre-Workout Muscle Rub Vegan Formula Free of Artificial Fragrances, Dyes, NSAIDs, Wax, Petroleum, Alcohol - 4oz Jar

Japanese Submarines in World War Two: Hirohito's Silent Hunters

Why the Oberon Class Became the Most Respected Diesel Submarine of the Cold War: Engineering, Espionage, and the Boats That Quietly Outlasted Their Time