Mario Herrera Salazar y Diane Pinkley  <br/><br/>
Backpack 1. Teacher's edition 

 - 118 páginas. 
<br/><br/><label>ISBN: </label>131826867 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language Study and teaching (Elementary) Foreign speakers
<br/><br/><label>Dewey Class. No.: </label>428 H565 Ej. 1