Ripley's Believe it or Not! 

 - New York  :  Pocket Books,  1968 
 - 110 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Generalities 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>031.02  / RIP-R