Hitler's U-Boat War : The Hunters, 1939-1942 (Hitler's U Boat War)
Silent Victory: The U. S. Submarine War Against Japan
Silent Victory: The U.S. Submarine War against Japan (Bluejacket Books)
U-boat Tactics in World War II (Elite)
Iron Coffins: A Personal Account Of The German U-boat Battles Of World War II
The Expanse: Season Three [Blu-ray]
Hitler's U-Boat War the Hunters, 1939-42 (Vol 1)
Silent Victory: The U.S. Submarine War Against Japan, Vol. 2
Sink 'Em All: Submarine Warfare in the Pacific