Mammoth Bones and Broken Stones:   The Mystery of North America's First People / 
David l. Harrison. 
 -  Scholastic,  c2010. 
 -  col. ill. 
<br/><br/>Lex 1040 
<br/><br/><br/>in English 
<br/><br/><label>ISBN: </label>9780545591942