Heinlein, Robert A.  1907- <br/><br/>
A Heinlein trio / 
Robert A. Heinlein. 
 - Garden City, N.Y. :  Nelson Doubleday, Inc.,  [1956]. 
 - 3 vols. in 1 ;  22 cm. 
<br/><br/>Contents: The puppet masters. -- Double star. -- The door into summer. 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Science fiction.
<br/><br/><label>LC Class. No.: </label>PS3515.E288  / H45 1956 
<br/><br/><label>Dewey Class. No.: </label>813/.5/4