Gifford, Clive,  <br/><br/>
50 things you should know about inventions 

 - 80 pages :   colour photographs ;   26 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781784935610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions - Juvenile literature. ; Inventors - Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>609