Frith, Margaret <br/><br/>
Who Was Thomas Alva Edison? 

 -  Penguin Group  2005 
 - 106 
<br/><br/><label>ISBN: </label>978-0-448-43765-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biography and Autobiography<br/>Juvenile Non-Fiction<br/>Thomas Alva Edison