Keene, Carolyn <br/><br/>
The mystery at the moss-covered mansion 
/ Carolyn Keene 
 - New York  : Grosset & Dunlap  , c1941 
 - 215 p.  : illus.  ; 20 cm. 
 - Nancy Drew Mystery Stories - #18 .
<br/><br/> Nancy's father Carson Drew enlists her help in tracking down a missing heiress, and Nancy, Bess and George stumble upon a mysterious moss-covered mansion. The girls learn someone was murdered near the mansion and they hear strange noises coming from inside the building. Action bounds in this adventure involving gypsies, a missing heiress, a needy elderly lady, a reclusive artist, an airplane accident, and a forest fire. 
<br/><br/><br/>English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drew, Nancy (Fictitious character)----Juvenile fiction<br/>Detective and mystery stories ----Fiction
<br/><br/><label>Dewey Class. No.: </label>JUV FIC KEE