- Spying Blind
- Spying for the Raj
- Spying from the Sky
- Spying in America
- Spying on Canadians
- Spying on the Bomb: American Nuclear Intelligence from Nazi Germany to Iran and North Korea
- Spymaster
- Spynest
- Spyplanes and National Reconnaissance in the 20th Century: The Amazing Story of the U-2 Program, A-1...
- Spøgelsesfronten
- Squaddie
- Squadron Leader Tommy Broom DFC**
- Squadrons Up!
- Squandered Victory
- Square Haunting
- Square Rigger Days
- Squires, Knights, Barons, Kings
- SR-71 Blackbird
- Srebrenica. The days of shame
- SS
- SS Das Reich at War, 1939–1945
- SS Flamands
- SS Français
- SS Panzer Divisions on the Eastern Front
- SS Polizei at War, 1940–1945
- SS Specialist Units in Combat
- SS Totenkopf France, 1940
- SS Victory in the West The Battle of the Bulge Against all Odds A Novel
- SS wallons
- SS-Das Reich
- SS-Hitlerjugend
- SS-Kampfgruppe Peiper 1943-1945
- SS-Leibstandarte
- SS-Major Horst Kopkow
- SS-Wiking
- SS: Hitler's Foreign Divisions
- Ssn 14
- St Albans
- St Lô (7 July - 19 July, 1944) [Illustrated Edition]
- St Nazaire 1942
- St Vith: Lion in the Way
- St Vith: Lion In The Way: 106th Infantry Division in World War II [Illustrated Edition]
- St. Augustine and the Civil War
- St. John's and the Battle of the Atlantic
- St. Vincent and Camperdown
- Staatsmann im Sturm
- Stability and Security in the Baltic Sea Region
- Stability Economics: The Economic Foundations of Security in Post-conflict Environments - Iraq and A...
- Staff Ride Guide - The Battle of First Bull Run [Illustrated Edition]
- Staff Ride Handbook for the Attack on Pearl Harbor, 7 December 1941 : A Study of Defending America [...
- Staff Ride Handbook for the Battle Of Chickamauga, 18-20 September 1863 [Illustrated Edition]
- Staff Ride Handbook For The Battle Of Perryville, 8 October 1862 [Illustrated Edition]
- Staff Ride Handbook for the Niagara Campaigns, 1812-1814: War of 1812 - New York and Canada Settleme...
- Staff Ride Handbook For The Vicksburg Campaign, December 1862-July 1863 [Illustrated Edition]
- Stafford at War, 1939–1945
- Staffordshire's War
- Staghound Armored Car 1942–62
- Staging Habla de Negros
- Staging History from the Shoah to Palestine
- Staging the Third Reich
- Stahlhelm
- Stained with the Mud of Khe Sanh
- Stalemate: U.S. Marines from Bunker Hill to the Hook [Illustrated Edition]
- Stalin
- Stalin and Europe
- Stalin and His Hangmen
- Stalin and the Inevitable War, 1936-1941
- Stalin and the Soviet-Finnish War, 1939-1940
- Stalin's Agent
- Stalin's American Spy
- Stalin's Defectors
- Stalin's Ocean-going Fleet
- Stalin's Other War
- Stalin's Secret Weapon
- Stalin's Singing Spy
- Staline
- Stalingrad 1942–1943
- Stalingrad 1942–43 (1)
- Stalingrad 1942–43 (2)
- Stalingrad And The Turning Point On The Soviet-German Front, 1941-1943
- Stalingrad To Berlin - The German Defeat In The East [Illustrated Edition]
- Stalingrad to Berlin: The German Defeat In the East
- Stalingrado
- Stalingrado y yo
- Stalingrado: Una guía fascinante de la batalla de Stalingrado y su impacto en la Segunda Guerra Mund...
- Stalinism and the Soviet-Finnish War, 1939–40
- Stalins Hämnd
- Stalins norske fanger
- Stalins prickskytt
- Stalkers and Shooters
- Stalking the U-Boat
- Stalking the Vietcong
- Stanch for the King: or, Chamber of Honing Hall. A story of the Civil Wars.
- Stand By for Action
- Stand Firm Ye Boys from Maine
- Stand in the Trench, Achilles
- Stand Up Straight
- Standing Fast: German Defensive Doctrine on the Russian Front During World War II — Prewar to March ...
- Standing Up After Saigon
- Stanley Barracks
- Stanley Johnston's Blunder
- Stanley Spencer's Great War Diary, 1915–1918
- Star Over Adobe
- Star Peace
- Star Shell Reflections, 1914–1916
- Starkeye & Co.
- Stars and Stripes and Shadows
- Stasi
- Stasi 77
- State Defense Forces (SDF) and Their Role in American Homeland Security - Organized State Militias, ...
- State Domination and the Psycho-Politics of Conflict
- State Formation in Afghanistan
- State Terrorism and Neoliberalism
- State vs. Defense
- State, Society and National Security
- Statebuilding and Intervention
- Statebuilding and Justice Reform
- Statebuilding and Police Reform
- Statebuilding and State-Formation
- Statebuilding in Afghanistan
- Statesmen And Soldiers Of The Civil War; A Study Of The Conduct Of War
- Staub zu Staub
- Stauffenberg, Symbol of Resistance
- Staying the Course: October 1967 to September 1968, United States Army in Vietnam Combat Operations,...
- Steadfast and Courageous: FEAF (Far East Air Forces) Bomber Command and the Air War in Korea, 1950-1...
- Stealing Home
- Stealing Tesla's Weapons
- Stealing the General
- Stealth
- Stealth Boat
- Stealth Raiders
- Stealth, Precision, and the Making of American Foreign Policy: Review of Interests and Conflicts, Ko...
- Stealthily by Night - COPP (Combined Operations Pilotage Parties)
- Steam Warfare in the Parana: a narrative of operations by the combined squadrons of England and Fran...
- Steam Warfare in the Parana: a narrative of operations by the combined squadrons of England and Fran...
- Steamboats in the Timber
- Steaming to Victory
- Steamship Nationalism