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2010
2015
2015
2015
2015
2006
2010
2006
2006
2008
2010
1990
2010
From Polar Bears to Butterflies, How Climate Change Affects Wildlife
2012
2008
2006
2000
Nature's Magnificent Flying Machines
2003
See How They Grow
2019
Mexico's Ancient City of Teotihuacan
1994
Giant Stone Statues Tell of a Rich and Tragic Past
2000
2007
Megalodon, Prehistoric Super Predator
2000
Fossil Discoveries at the Poles
2009
2017
Juliet Fish Nichols Fights the San Francisco Fog
2022
Clues to the Past
2016
From Seeds to Salad
2022
Rulers of the Skies in the Dinosaur Age
2004
Scotland's Prehistoric Village of Skara Brae
1997
Whales, Dolphins, and Other Mammals of the Sea
2007
2007
Activities for Exploring, Mapping, and Enjoying Your World
2001
1989
1989
Keeping Body Temperature Just Right
2013
Australia's Aboriginal Heart
2003
2007
2012