Age
8-12
Grade
3-7
Franklin W. Dixon
The Disappearing Floor
Hardcover
(Grosset & Dunlap May 1, 1940)
, First Edition edition
Once again Frank and Joe Hardy take on a puzzling case when their famous detective father asks the boys to assist him in tracking down a notorious jewel thief and his accomplices. The trail leads to the outskirts of the Hardys’ home town and to a weirdly guarded mansion on the old Perth estate. With their pal Chet Morton, the brothers must tackle the mystery of the mansion heir’s sudden death. A disappearing floor, a huge, savage-looking, hound, a galloping ghost, and a college professor’s startling invention are just a few of the strange elements that complicate the boys’ efforts to solve both mysteries.
- Series
- Hardy Boys (Book 19)
- ISBN
- 044808919X / 9780448089195
- Pages
- 192
- Weight
- 9.1 oz.
- Dimensions
- 5.0 x 0.7
in.