The Oxford children's encyclopedia of science & technology 

 - 128 pages :   colour illustrations ;   29 cm 
<br/><br/> An essential guide to the mysteries of modern science 
<br/><br/><label>ISBN: </label>0199106428 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Encyclopedias ; Technology  - Encyclopedias
<br/><br/><label>Dewey Class. No.: </label>503