Hillman, Ben <br/><br/>
How strong is it? :   a mighty book all about strength / 
Ben Hillman. 
 - New York :  Scholastic,  2008. 
 - 48 p. : col. ill.:  30 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>13: 978-0-439-91866-4 
<br/><br/><label>LC Class. No.: </label>503 G89