Harris, Thomas A <br/><br/>
I'm ok - you're ok 

 -  Avon Books  New York  1969 
 - 317p.   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>038000722X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interpersonal relations<br/>Positive thinking