- What are carbohydrates?, Daniel E. Harmon
- Egypt, 1880 to the present : desert of envy, water of life, Daniel E. Harmon ; introductory essay by Richard E. Leakey ; afterword by Deirdre Shields
- Jacques Cartier and the exploration of Canada, Daniel E. Harmon
- Turkey, Daniel E. Harmon
- Tsunamis, Daniel E. Harmon
- Kyrgyzstan, Daniel E. Harmon
- Robert Peary and the quest for the North Pole, Daniel E. Harmon
- Sudan, 1880 to the present : crossroads of a continent in conflict, Daniel E. Harmon ; introductory essay by Richard E. Leakey ; afterword by Deirdre Shields
- Woodrow Wilson, Daniel E. Harmon ; [Arthur M. Schlesinger, Jr., senior consulting editor]
- Amelia Earhart, aviation pioneer, Daniel E. Harmon
- Careers in mental health, Daniel E. Harmon
- Aaron Rodgers, Super Bowl MVP, Daniel E. Harmon
- What are calories?, Daniel E. Harmon
- Libya, Daniel E. Harmon
- Explorers of the South Pacific, a thousand years of exploration, from the Polynesians to Captain Cook and beyond, Daniel E. Harmon
- La Salle and the exploration of the Mississippi, Daniel E. Harmon
- The global community, techniques and strategies of trade, [by] Daniel E. Harmon
- 21st-century surveillance technologies, Daniel E. Harmon
- Turkey, Daniel E. Harmon
- Johannes Kepler, Daniel E. Harmon
- Algeria, Daniel E. Harmon
- The early French explorers of North America, how Giovanni Verrazano, Jacques Cartier, Samuel de Champlain, Étienne Brûlé, and others explored the wilderness and established French settlements, Daniel E. Harmon
- Nigeria, Daniel Harmon
- Producing in theater, Daniel E. Harmon
- What are fats?, Daniel E. Harmon
- Andrew Jackson, Daniel E. Harmon ; [Arthur M. Schlesinger, Jr., senior consulting editor]
- Juan Ponce de Leon and the search for the Fountain of Youth, Dan Harmon