Tech in the Trenches: Strategic Inventions of World War II
Essential Library of World War I: World War I Causes
Military Technology: Top Secret Clearance: Warplanes of World War II Up Close
Essential Library of World War I: World War I Aftermath
Frontline Families: World War II: Frontline Soldiers and Their Families
Doomed!: The Hindenburg Disaster
Essential Library of World War I: Harlem Hellfighters
Tech in the Trenches: Strategic Inventions of World War I
Understanding the Holocaust: Holocaust Rescue and Liberation
Hitler, Goebbels, Himmler: The Nazi Holocaust Masterminds
Auschwitz, Bergen-Belsen, Treblinka: The Holocaust Camps
Wiesel, Wiesenthal, Klarsfeld: The Holocaust Survivors
Wars That Changed History: 50 of the World's Greatest Conflicts