60 books • 9 series
The Atomic Age (Timelines in Science)
The Electric Age (Timelines in Science)
The Industrial Revolution (Timelines in Science)
Science of the Middle Ages (Timelines in Science)
A Rebirth of Science (Timelines in Science)
Science of the Ancient World (Timelines in Science)
The Digital Age (Timelines in Science)
Weapons and Machines of the Cold War (Weapons and Machines in Warfare)
Weapons and Machines of World War I (Weapons and Machines in Warfare)
Weapons and Machines of the Vietnam War (Weapons and Machines in Warfare)
What Happened at Pearl Harbor? (Major Events in U.S. Military History)
Weapons and Machines of the Gulf War (Weapons and Machines in Warfare)
What Happened at Lexington and Concord? (Major Events in U.S. Military History)
Weapons and Machines of World War II (Weapons and Machines in Warfare)
What Happened During the Cuban Missile Crisis? (Major Events in U.S. Military History)
What Happened at Fort Sumter? (Major Events in U.S. Military History)
What Happened on D-Day? (Major Events in U.S. Military History)
The War on Terror: Timelines, Facts, and Battles (America Goes to War)
America Goes to War (America Goes to War)
World War II in the Pacific: Timelines, Facts, and Battles (America Goes to War)
The Civil War: Timelines, Facts, and Battles (America Goes to War)
The American Revolution: Timelines, Facts, and Battles (America Goes to War)
World War II in Europe and North Africa: Timelines, Facts, and Battles (America Goes to War)
World War I: Timelines, Facts, and Battles (America Goes to War)