The Secret of the Caves

audiobook (Unabridged) The Secret of the Caves · Hardy Boys

By Franklin W. Dixon

cover image of The Secret of the Caves
Audiobook icon Visual indication that the title is an audiobook

Sign up to save your library

With an OverDrive account, you can save your favorite libraries for at-a-glance information about availability. Find out more about OverDrive accounts.

   Not today
Libby_app_icon.svg

Find this title in Libby, the library reading app by OverDrive.

app-store-button-en.svg play-store-badge-en.svg
LibbyDevices.png

Search for a digital library with this title

Title found at these libraries:

Loading...
As Frank and Joe investigate the mysterious disappearance of a college professor, they stumble upon a baffling secret in a complex network of caves.
The Secret of the Caves