Keene, Carolyn. <br/><br/>
Mystery of the moss-covered mansion. 

 - New York,  Grosset & Dunlap  [1971] 
 - 177 p.  illus.  20 cm. 
 - Her Nancy Drew mystery stories, 18 .
<br/><br/> Nancy Drew sets out to prove that her father's client was unjustly accused of trying to sabotage the United States space program. 
<br/><br/><label>ISBN: </label>0448095181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.
<br/><br/><label>Dewey Class. No.: </label>F KEE