Dixon, Franklin W. <br/><br/>
The disappearing floor / 
by Franklin W. Dixon. 
 - New York :  Grosset & Dunlap,  c1992, c1964. 
 - 176 p. :  ill. ;  20 cm. 
 - Hardy boys mystery stories ;  19 .
 - Dixon, Franklin W.  Hardy boys mystery stories ;  19. .
<br/><br/> A disappearing floor, a savage-looking hound, a galloping ghost and a startling invention are just a few of the strange elements that complicate Frank and Joe's efforts to solve the mystery of the death of an heir to a mansion. 
<br/><br/> 6.3  Follett Library Resources  5-8 
<br/><br/><label>ISBN: </label>044808919X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ghosts--Fiction.<br/>Mystery and detective stories.<br/>Ghost stories.<br/>Mystery fiction.
<br/><br/><label>Dewey Class. No.: </label>[Fic]