Magic Tree House Fact Tracker (2003–2014)
- Dolphins And Sharks (2003)
- American Revolution (2004)
- Ancient Greece and the Olympics (2004)
- Pilgrims (2005)
- Ancient Rome and Pompeii (2006)
- Polar Bears and the Arctic (2007)
- Tsunamis and Other Natural Disasters (2007)
- Penguins and Antarctica (2008)
- Kids in Hard Times (2010)
- Abraham Lincoln (2011)
- Sea Monsters (2011)
- Heroes for All Times (2014)