The encyclopedia of earth :  a complete visual guide / 
Michael Allaby ; Robert Coenraads ... [et al.]. 
 - [Place of publication not identified] :  Weldon Owen,  2008. 
 - 608 p. :  ill. ;  27 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>174089779X 9781740897792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences--Encyclopedias.