Harris, Robie H. <br/><br/>
It`s perfectly normal : changing bodies, growing up, sex, and sexual health. 

 - 89p. 
<br/><br/> Illustrated by Michael emberley. 
<br/><br/><label>ISBN: </label>1-56402-199-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex education<br/>Sexuality<br/>Psychosexual development