00803cam a2200229 4500 62111948 TxAuBib 20011217120000.0 011217s1969||||||||||||||||||||||||eng|u 71086679 DLC DLC DLC TxAuBib Keene, Carolyn. The clue of the tapping heels. New York : Grosset & Dunlap, [1969] 176 p. : illus ; 20 cm. Her Nancy Drew mystery stories, 16 Nancy Drew tries to find a clue to the strange tapping sounds in the house of a retired actress. 20011217. Mystery and detective stories. Her Nancy Drew mystery stories, 16.