World Almanac
- The World Almanac for Kids 2011
- The World Almanac and Book of Facts 2005
- The World Almanac and Book of Facts 2006
- The World Almanac for Kids 2008
- The World Almanac and Book of Facts 2008
- The World Almanac and Book of Facts 2010
- The World Almanac and Book of Facts 2011
- The World Almanac and Book of Facts 2012
- The World Almanac for Kids 2013
- The World Almanac and Book of Facts 2014
- The World Almanac and Book of Facts 2016