Birney, Betty G., <br/><br/>
Secrets according to Humphrey / 
Betty G. Birney. 
 - New York  G.P.Putnam's sons 
 - 135  
<br/><br/><label>ISBN: </label>9780399257964 (hardcover) 
<br/><br/><label>Dewey Class. No.: </label>823  / BIR