The Bobbsey Twins': Mystery of the Deep Blue Sea  

 - New York  Grosset & Dunlap, Inc.   1965 
 - The Bobbsey Twins': Mystery of the Deep Blue Sea   0-448-08011-7 .
<br/><br/> The Bobbsey Twins': Mystery of the Deep Blue Sea  
<br/><br/> Junior High School  English 
<br/><br/><label>ISBN: </label>0-448-08011-7 
<br/><br/><label>Dewey Class. No.: </label>