Curtis, Neil. <br/><br/>
What do you know about the earth? / 
N. Curtis. 
 - London :  Hamlyn,  [c1976] 
 - 256 p. :  ill. 
<br/><br/><label>ISBN: </label>0600393348 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth.<br/>Science<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>R  910.02  / C979W 1976