Earth, sea and sky 

 - 64 pages :   colour illustrations ;   29 cm 
 - Cambridge science universe .
 - Cambridge science universe .
<br/><br/><label>ISBN: </label>0521260035 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Jevenile literature
<br/><br/><label>Dewey Class. No.: </label>500