Resisting the Holocaust: Upstanders, Partisans, and Survivors
Essential Library of World War I: Medicine on the Battlefield
Frontline Families: World War II: Frontline Soldiers and Their Families
World War I: The Essential Reference Guide
Military Technology: Top Secret Clearance: Warplanes of World War II Up Close
World War II: The Definitive Encyclopedia and Document Collection
Critical Insights: Holocaust Literature
Essential Library of World War I: World War I Battles
Doomed!: The Hindenburg Disaster
Essential Library of World War I: Harlem Hellfighters