Planet watch / 
written by Martyn Bramwell...[et al.]. 
 - London :  D. Kindersley,  c2009. 
 - 96 p. : col. ill. 
<br/><br/> First published in 2001 under DK as Earth Watch, Ocean Watch, Animal Watch and Fond Watch.  Includes glossary and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth