KEENE, Carolyn. The Clue of the Tapping Heels. Illustrated by Russell H. Tandy. NY: Grosset & Dunlap [1939]. 12mo, iv 214pp. + [6] advts. Light blue cloth decoratively stamped in orange; top edge red. Pictorial endpapers in orange ink; glossy half-tone frontispiece. Spine ends and corners a tad rubbed, boards a bit scuffed and faintly stained, previous owner’s name on front free endpaper, else an internally clean, bright copy in original color pictorial dust jacket (light wear at folds and edges, spine panel lightly sunned, rear panel a tad soiled).

First edition, having advt. for Dana Girls Mysteries 1-7 on rear flap, and the correct advertisements in rear as described by Farrah 1939A-1 (most notably, only 13 Nancy Drew titles). The 16^th title in the beloved Nancy Drew series.  Challenging questions confront Nancy Drew when she attempts to solve the mystery of the strange tapping sounds in the house of a retired actress.