Osprey Fortress Series.
De kwaliteit van de E-boeken kan variëren / The quality can vary.
| Art.nr. | Omschrijving / Description : |
| osp-for-001 | Japanese Pacific Island Defenses 1941-45 |
| osp-for-002 | Hadrian's Wall AD 122-410 |
| osp-for-003 | U-boat Bases And Bunkers 1941-45 |
| osp-for-004 | American Defenses Of Corregidor & Manila Bay 1898-1945 |
| osp-for-005 | Japanese Castles 1540–1640 |
| osp-for-006 | American Civil War Fortifications (1) - Coastal brick and stone forts |
| osp-for-007 | The Lines of Torres Vedras 1809–11 |
| osp-for-008 | Defenses of Pearl Harbor and Oahu 1907-50 |
| osp-for-009 | English Civil War Fortifications 1642-51 |
| osp-for-010 | The Maginot Line 1928-45 |
| osp-for-011 | Crusader Castles of the Teutonic Knights (1) |
| osp-for-012 | Fortresses Peninsular War 1808-14 |
| osp-for-013 | Norman Stone Castles (1) British Isles 1066-1216 |
| osp-for-014 | Fortifications In Wessex C. 800-1066 |
| osp-for-015 | Germany's West Wall - The Siegfried Line |
| osp-for-016 | The Fortifications Of Malta 1530-1945 |
| osp-for-017 | Troy C.1700-1250BC |
| osp-for-018 | Norman Stone Castles (2) Europe 950-1204 |
| osp-for-019 | Crusader Castles of the Teutonic Knights (2) the Stone Castles of Latvia and Estonia 1185-1560 |
| osp-for-020 | British Home Defences 1940-45 |
| osp-for-021 | Crusades Castles in the Holy Land 1097-1192 |
| osp-for-022 | Mycenaean Citadels C.1350-1200 BC |
| osp-for-023 | German Field Fortifications 1939-1945 |
| osp-for-024 | Fortifications of the Western Front 1914-1918 |
| osp-for-025 | Walls of Constantinople |
| osp-for-026 | Afghanistan Cave Complexes 1979-2004 |
| osp-for-027 | French Fortresses in North America 1535-1763 Quebec, Montreal, Louisbourg and New |
| osp-for-028 | Forts Of American Frontier 1820-91 Central and Nothern Plains |
| osp-for-029 | US World WarII & Korean War Field Fortifications 1941-1953 |
| osp-for-030 | Eben Emael |
| osp-for-031 | Rome's Northern Frontier AD 70-235 |
| osp-for-032 | Crusader Castles In The Holy Land 1192-1302 |
| osp-for-033 | Special Forces Camps In Viietnam 1961-70 |
| osp-for-034 | Japanese Fortified Temples and Monasteries AD 710–1062 |
| osp-for-035 | British Fortifications In Zululand 1879 |
| osp-for-036 | US Strategic and Defensive Missile Systems 1950–2004 |
| osp-for-037 | D-Day Fortifications In Normandy |
| osp-for-038 | American Civil War Fortifications (2) Land and Field Fortifications |
| osp-for-039 | Russian Fortresses 1480-1682 |
| osp-for-040 | Ancient Greek Fortifications 500-300 BC |
| osp-for-041 | The Channel Islands 1941-45 |
| osp-for-042 | The Vauban Fortifications of France |
| osp-for-043 | Roman Legionary Fortresses 27 BC - AD 378 |
| osp-for-044 | American Coastal Defenses 1885-1950 |
| osp-for-045 | German Defences in Italy in World War II |
| osp-for-046 | Castles and Tower Houses of the Scottish Clans 1450-1650 |
| osp-for-047 | Fortifications of the Incas 1200-1531 |
| osp-for-048 | Viet Cong and Nva Tunnels and Fortifications of the Vietnam War |
| osp-for-049 | The Spanish Main 1492-1800 |
| osp-for-050 | The Forts of Celtic Britain |
| osp-for-051 | Indian Castles 1206-1526 |
| osp-for-052 | The Fortifications of Gibraltar |
| osp-for-053 | Defending Space |
| osp-for-054 | - |
| osp-for-055 | Cathar Castles - Fortresses of the Albigensian Crusade 1209-1300 |
| osp-for-056 | Rome's Saxon Shore - Coastal Defences of Roman Britain AD 250-500 |
| osp-for-057 | The Great Wall of China 221 BC - AD 1644 |
| osp-for-058 | Vietnam Firebases 1965-73 - American and Australian Forces |
| osp-for-059 | Crusader Castles in Cyprus, Greece and the Aegean 1191-1571 |
| osp-for-060 | The Forts of the Meuse in World War I |
| osp-for-061 | Medieval Russian Fortresses AD 862–1480 |
| osp-for-062 | Soviet Field Fortifications 1941-45 |
| osp-for-063 | The Atlantic Wall (1) France |
| osp-for-064 | The Castles of Edward I in Wales 1277-1307 |
| osp-for-065 | The Forts of Judaea 168 BC-AD 73 from the Maccabees to the Fall of Masada |
| osp-for-066 | The Castles of Henry VIII |
| osp-for-067 | Japanese Castles in Korea 1592-98 |
| osp-for-068 | American Civil War Fortifications the Mississippi and River Forts |
| osp-for-069 | The Berlin Wall and the Intra-German Border 1961-89 |
| osp-for-070 | Strongholds of the Border Reiver - Fortifications of the Anglo-Scottish Border 1296-1603 |
| osp-for-071 | The Walls of Rome |
| osp-for-072 | German V-Weapon Sites 1943-45 |
| osp-for-073 | Hittite Fortifications C. 1650-700 BC |
| osp-for-074 | Japanese Castles AD 250-1540 |
| osp-for-075 | The Forts of New France in Northeast America 1600-1763 |
| osp-for-076 | Saracen Strongholds AD 630-1050 - The Middle East and Central Asia |
| osp-for-077 | The Stalin and Molotov Lines |
| osp-for-078 | The German Fortress of Metz 1870-1944 |
| osp-for-079 | Israeli Fortifications of the October War 1973 |
| osp-for-080 | British Forts in the Age of Arthur |
| osp-for-081 | - |
| osp-for-082 | - |
| osp-for-083 | - |
| osp-for-084 | - |
| osp-for-085 | - |
| osp-for-086 | English Castles 1200-1300 |