On the move: 

 - Chicago, IL  World Book, Inc. : | A Scott Fetzer Co.,  2011 
<br/><br/><label>ISBN: </label>9780716677253 [ (World Book's Learning Ladders Set.)] : | 9780716677284 
<br/><br/><label>Dewey Class. No.: </label>629.04 WOR 2011