00696cam a2200241 4500 91565022 TxAuBib 20110101120000.0 821001s1959||||||||||||||||||||||||eng|u 9780448195025 044819502X (OCoLC)771074 MvI MvI MvI TxAuBib Keene, Carolyn. The hidden staircase. New York : Grosset & Dunlap, [1959] 182 p. : ill. ; 20 cm. Nancy Drew mystery stories 20110101. Mystery fiction. Nancy Drew mystery stories. TXTLL