- World in the Making: A Global History, Volume One: To 1500
- Sources of Crossroads and Cultures, Volume I: To 1450: A History of the World's Peoples
- Sources of Crossroads and Cultures, Volume II: Since 1300
- Mapping the World: A Mapping and Coloring Book of World History, Volume Two: Since 1300
- Crossroads and Cultures, Volume II: Since 1300: 2