21 books • 12 series
World War II (Wars That Changed the World)
World War I (Wars That Changed the World)
Requiem For Black Shoes
Headlines of World War I (Headlines S.)
Headlines of World War II (Headlines S.)
Historia del Mundo (Enciclopedia Visual)
Cherrytree History of Wars
Visual Factfinder (Visual factfinders)
World History (Visual Factfinder) (Visual Factfinders S.)
1960s (Take Ten Years S.) (Take Ten Years) (Take Ten Years)
1940s (Take Ten Years) (Take Ten Years S.)
1910s (Take Ten Years S.)
The Voyages of Columbus
Columbus (Landmarks S.)
Arab-Israeli Wars (Wars That Changed the World S.) (Wars That Changed the World)
1930s (Take Ten Years) (Take Ten Years S.)
The Crusades (Wars That Changed the World S.)
Vietnam War (Wars That Changed the World) (Wars That Changed the World S.)
World War I (Wars That Changed the World S.) (Wars That Changed the World)
French Revolution (Wars That Changed the World S.)
World War II (Wars That Changed the World S.) (Wars That Changed the World)