World History: Genghis Khan: Creating the Mongol Empire
Cause & Effect: Ancient Civilizations: Ancient Mesopotamia
Understanding World Religions: Understanding Hinduism
Empires in the Middle Ages: The Mongol Empire
Cause & Effect: Ancient Civilizations: The Ancient Mayans
Weird, True Facts: Ancient Cultures
Let's Explore Countries: Let's Explore Egypt
Explore the Countries Set 4: Syria
Cause & Effect: Ancient Civilizations: The Ancient Aztecs
The Vikings: Facts and Fictions
A Visual History of the World: A Visual History of the Great Civilizations
African Kingdoms: An Encyclopedia of Empires and Civilizations
Mystery Hunters: Tombs and Cursed Treasure
Warriors Around the World: Knights
Library of Greek Mythology: Gods and Goddesses in Greek Mythology
Warriors Around the World: Vikings
Hidden History: North America's First People
Warriors Around the World: Mongol Warriors
Mesopotamia and the Rise of Civilization: History, Documents, and Key Questions