Levy, Joel. <br/><br/>
Really useful :  the origins of everyday things / 
Joel Levy. 
 - Buffalo, NY :  Firefly Books,  2002. 
 - 240 p. :  ill. (mostly col.) ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1552976238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions.
<br/><br/><label>LC Class. No.: </label>T212  / .L489 2002