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