The Persian Empire: A Historical Encyclopedia
Awfully Ancient: Loos, Poos, and Number Twos: A Disgusting Journey Through the Bowels of History!
Mesopotamia and the Rise of Civilization: History, Documents, and Key Questions
Totally Gross History: The Totally Gross History of Ancient Rome
Great Empires: The Aztec Empire
Encyclopedia of Invasions & Conquests: From Ancient Times to the Present
Totally Gross History: The Totally Gross History of Ancient China
Engineering Wonders: Great Wall of China
Totally Gross History: The Totally Gross History of Ancient Mesoamerica
The World of Ancient Egypt: A Daily Life Encyclopedia
Great Empires: The Chinese Empire
The Ancient World: Extraordinary People in Extraordinary Societies
World Mythologies: Myths of the Aztecs
Great Empires: The Mauryan Empire of India
Great Empires: The Mesopotamian Empires
History's Fearless Fighters: Mongols
Great Empires: The Egyptian Empire
Totally Gross History: The Totally Gross History of Ancient Greece
Totally Gross History: The Totally Gross History of Ancient Egypt