The Disappearing Floor (The Hardy Boys Mysteries #19)
Dixon, Franklin W. [Button, John]
New York: Grosset & Dunlap, 1940. Rpt., c1957.
218 pp.; 19.5 × 13 × 3 cm
Hardcover (very good); Dust jacket (good)

Reprint of the nineteenth Hardy Boys mystery as originally written by John Button. Presumed 1957 printing. Tan-grey tweed boards. Yellow spine to dust jacket with cover art by Paul Laune. Last work listed in interior is The Ghost At Skeleton Rock (1957). Copy is in very good condition. Dust jacket is good to very good with one small closed to tear to the top front and scuffing to front outside corner. Now wrapped in protective Brodart cover.