J. Murphy, Patricia  (1924-2022) <br/><br/>
Back and forth / 
By Patricia J. Murphy Consultants Martha Walsh, Reading Specialist Jan Jenner, Ph.D. 
 - 2002 
 - Canada :  Children,  2002. 
 - 32 pages :  color illustrations ;  19 cm 
<br/><br/>J<br/> 
<br/><br/> A simple introduction to back and forth movement. 
<br/><br/> 470<br/><br/>  Lexile<br/>  J<br/>  Raz-Plus<br/> 
<br/><br/><label>ISBN: </label>9780516225524 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Green bookshelf<br/>Science
<br/><br/><label>LC Class. No.: </label>QC133.5 
<br/><br/><label>Dewey Class. No.: </label>531.32