00810cam a2200217 4500 681438390 TxAuBib 710913s1971||||||||||||||||||||||||eng|u 77155244 9780448095189 0448095181 DLC DLC DLC TxAuBib Keene, Carolyn. Mystery of the moss-covered mansion / v 18. New York : Grosset & Dunlap, [1971] 177 p : illus ; 20 cm. Her Nancy Drew mystery stories, 18 Nancy Drew sets out to prove that her father's client was unjustly accused of trying to sabotage the United States space program. Mystery and detective stories - JUV FIC. Her Nancy Drew mystery stories, 18.