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
Tech in the Trenches: Strategic Inventions of World War I
Essential Library of World War I: Harlem Hellfighters
Dictatorship, Fascism, and Totalitarianism
Understanding the Holocaust: Holocaust Rescue and Liberation
The Attack on Pearl Harbor in United States History
Wars That Changed History: 50 of the World's Greatest Conflicts
Auschwitz, Bergen-Belsen, Treblinka: The Holocaust Camps