Totally Gross History: The Totally Gross History of Ancient Egypt
The Persian Empire: A Historical Encyclopedia
Great Empires: The Chinese Empire
Engineering Wonders: Stadiums and Coliseums
Great Empires: The Mauryan Empire of India
Totally Gross History: The Totally Gross History of Ancient Mesoamerica
Totally Gross History: The Totally Gross History of Ancient China
Great Empires: The Aztec Empire
History's Fearless Fighters: Gladiators
Engineering Wonders: Pyramids of Egypt
Technology of the Ancient World
Awfully Ancient: Loos, Poos, and Number Twos: A Disgusting Journey Through the Bowels of History!
The World of Ancient Egypt: A Daily Life Encyclopedia
Encyclopedia of Invasions & Conquests: From Ancient Times to the Present
World Mythologies: Myths of the Ancient Romans
Great Empires: The Egyptian Empire
History's Fearless Fighters: Mongols
Totally Gross History: The Totally Gross History of Ancient Greece