Franklin W. Dixon, Disappearing Floor (Hardy Boys Mystery Stories)
Title: Disappearing Floor (Hardy Boys Mystery Stories) Author: Franklin W. Dixon Publisher: Grosset & Dunlap (1940) ISBN: 044808919X This page is taken from the Amazon Books Catalog. You can download the archive in CSV+ZIP format here: https://www.classicistranieri.com/wp-content/uploads/2026/05/books.zip