Crooks, Robert. <br/><br/>
Our sexuality / 
Robert Crooks and Karla Baur. 
 - Eighth edition. 
 - xxxvii, 687 pages :  color illustrations ;  28 cm. 
<br/><br/> Includes glossary, bibliography and index. 
<br/><br/><label>ISBN: </label>0534579787 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex.<br/>Sex--Customs and practices--United States.