83 books • 39 series
Three Gorges Dam (Engineering Feats)
Orion Spacecraft (Engineering Feats)
Virginia Class Submarines (Engineering Feats)
Hamas (Terror, Inc.)
Muslim Brotherhood (Terror, Inc.)
Boko Haram (Terror, Inc.)
Al Qaeda (Terror, Inc.)
Islamic State (Terror, Inc.)
Hezbollah (Terror, Inc.)
How Franklin D. Roosevelt Fought World War II (Presidents at War)
Rockets & Satellites
Missiles (Military Engineering in Action)
Biosecurity
Careers in the U.S. Air Force (Careers in the Us Armed Forces)
Careers in the U.S. Army (Careers in the Us Armed Forces)
The Evolution of Government and Politics in China (Evolution of Government and Politics)
North and South Korea (Evolution of Government and Politics)
The Yangtze River (Rivers of the World (Mitchell Lane))
The Ganges River (Rivers of the World (Mitchell Lane))
The Tigris and Euphrates Rivers (Rivers of the World (Mitchell Lane))
Billie Holiday (American Jazz)
Charlie Parker (American Jazz)
American Jazz Set
The Battle of Marathon (Technologies and Strategies in Battle)