false <![CDATA[An Ocean of Air: A Natural History of the Atmosphere]]> 3.80 41 2007 <![CDATA[Snowball Earth: The Story of the Great Global Catastrophe That Spawned Life as We Know It]]> 3.54 35 2003 <![CDATA[The Hot Topic: What We Can Do About Global Warming]]> 3.70 23 2008 <![CDATA[An Ocean of Air: A Natural History of the Atmosphere]]> 0.0 0 2008