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