Explorers and exploration.Vol 6: Leif Eriksson-Natural resources 

 - New York   Marshall Cavendish  2005 
 - 480 pages  Color illustrations  29 cm 
<br/><br/><label>ISBN: </label>9780761475415 
<br/><br/><label>Dewey Class. No.: </label>J R 910.922 EXPL