How things work encyclopedia 

 - London  Dorling Kindersley Book  2010 
 - 127 p. : col. ill. ; 29 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781405350129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology -- Encyclopedias, Juvenile
<br/><br/><label>Dewey Class. No.: </label>603 HOW