Hard covered book titled THE DISAPPEARING FLOOR Hardy Boys Mystery Stories by Franklin W. Dixon, Illustrated by Paul Laune, 1940, 218 pages.

This sensational vintage Hardy Boys book is in Good condition,  pages intact, and the binding is tight. The pages are slightly yellowed from age.  The title page has two tears at the bottom of the page. The front hinge is weak.  Pencil marks on the title page. The cover is faded, scuffed and lightly soiled.  A must have for your Hardy Boys collection!