Plot summary

The Hardy boys find the missing deed to an Indian's land, prevent a phony salesman from carrying through a reckless scheme, and help their father solve a top-secret sabotage case.

Original edition (1953)

• Ghostwriter: Richard Cohen
• Summary: The boys search for the deed to a Native reservation while tangling with a gang of saboteurs.

Revised edition (1969)

• Revision type: Minor revisions.
• Ghostwriter: Priscilla Baker-Carr