Bell, Ruth, <br/><br/>
Changing bodies, changing lives :  a book for teens on sex and relationships / 
Ruth Bell and other co-authors of Our bodies, ourselves and Ourselves and our children, together with members of the Teen-Book-Project 
 - 3rd ed. 
 - páginas cm. 
<br/><br/> Incluye indice 
<br/><br/><label>ISBN: </label>081292990X (papel alcalino) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educación sexual para jóvenes
<br/><br/><label>LC Class. No.: </label>HQ35  / B45 1998 
<br/><br/><label>Dewey Class. No.: </label>613.9/07