Modern Balloons and Airships: The History and Legacy of Dirigibles during the 20th CenturyCharles River Editors4
Early Balloons and Airships: The History and Legacy of Dirigibles Before the Invention of AirplanesCharles River Editors3.3
Famous Dirigibles: The History and Legacy of Lighter than Air Vehicles from the Renaissance to TodayCharles River Editors
Uluru: The History and Legacy of the Australian Landmark Considered Sacred by the Local AboriginesCharles River Editors2.3
Patrice Lumumba: The Life and Legacy of the Pan-African Politician Who Became Congo's First Prime MinisterCharles River Editors3
The Sac and Fox: The History and Legacy of the Native American Tribe Forcibly Removed from the Midwest to OklahomaCharles River Editors3.3
John Paul Jones: The Life and Legacy of the Revolutionary War Commander Dubbed the Father of the American NavyCharles River Editors3
The Mamluks: The History and Legacy of the Medieval Slave Soldiers Who Established a Dynasty in EgyptCharles River Editors3.8
Cantre'r Gwaelod: The Mysterious Legend of the Ancient Sunken Kingdom Known as the Welsh AtlantisCharles River Editors2.5
The Fall of Saigon: The History of the Battle for South Vietnam's Capital and the End of the Vietnam WarCharles River Editors2.8
The Battle of Nicopolis: The History and Legacy of the Decisive Siege that Ended One of the Last Medieval Crusades against the OttomansCharles River Editors3