The Usborne science encyclopedia with 1,000 recommended web sites 

 - 448 pages :   colour illustrations ;   24 cm 
<br/><br/><label>ISBN: </label>0794503314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>503