Romero, Libby. <br/><br/>
National Geographic Readers :  Vikings / 
 Vikings 
Libby Romero. 
 - 32 pages 
<br/><br/><label>ISBN: </label>9781426332180 1426332181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology<br/>Biology<br/>Biology, Juvenile Literature<br/>Scientists, Juvenile Literature<br/>Archaeologists<br/>Readers<br/>Animals, Juvenile Literature<br/>Animals, Habitations