Weeks, Sarah <br/><br/>
Mammoth bones and broken stones  / 
Sarah Weeks. 
 - New York ;  Scholastic Inc.,  c2010. 
 - 48 pages ;  color illustrations ;   19 cm. 
<br/><br/><label>ISBN: </label>9780545591945 
<br/><br/><label>LC Class. No.: </label>LEX1040 H37 2010