№ 1 - Japanese Pacific Island Defenses 1941-45[Osprey № 2 - Hadrian’s Wall AD 122–410 № 3 - U-Boat Bases and Bunkers 1941–45 № 4 - American Defenses of Corregidor and Manila Bay 1898–1945 № 5 - Japanese Castles 1540–1640 № 6 - American Civil War Fortifications (1) № 7 - The Lines of Torres Vedras 1809–11 № 8 - Defenses of Pearl Harbor and Oahu 1907–50 № 9 - English Civil War Fortifications 1642–51 № 10 - The Maginot Line 1928–45 № 11 - Crusader Castles of the Teutonic Knights (1) № 12 - Fortresses of the Peninsular War 1808–14 № 13 - Norman Stone Castles (1) № 14 - Fortifications in Wessex c. 800–1066 № 15 - Germany's West Wall № 16 - The Fortifications of Malta 1530–1945 № 17 - Troy c. 1700–1250 BC № 18 - Norman Stone Castles (2) № 19 - Crusader Castles of the Teutonic Knights (2) № 20 - British Home Defences 1940–45 № 21 - Crusader Castles in the Holy Land 1097–1192 № 22 - Mycenaean Citadels c. 1350–1200 BC № 23 - German Field Fortifications 1939–45 № 24 - Fortifications of the Western Front 1914–18 № 25 - The Walls of Constantinople AD 324–1453 № 26 - Afghanistan Cave Complexes 1979–2004 № 27 - French Fortresses in North America 1535–1763 № 28 - Forts of the American Frontier 1820–91 № 29 - US World War II and Korean War Field Fortifications 1941–53 № 30 - Fort Eben Emael
