01020cam a2200277 4500 242456516 TxAuBib 20150223120000.0 050816s1969||||||||||||||||||||||||eng|u 71-86679 9780448095165 0448095165 TxAuBib Keene, Carolyn. The clue of the tapping heels. New York : Grosset & Dunlap, [1969] 176 p. ; 19 cm : 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. 20050815. Detective and mystery stories. Nancy Drew mystery stories. Accelerated reader ( R.L. 4.9 ; 5.0 pts.) Her Nancy Drew mystery stories, 16.