Allaby, Michael <br/><br/>
Visual encyclopedia of Earth / 
Michael Allaby. 
 - Washington, D.C :  National Geographic,  2008. 
 - 256 p. 
<br/><br/> A single-volume reference about the Earth revealing the latest research on fragile ecosystems and climate shift, and engaging young readers with riveting information, eye-catching illustrations, and peerless National Geographic photography. 
<br/><br/><label>ISBN: </label>9781426303661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences--Encyclopedias