The story of how the spies helped General Lafayette
in the Siege of Yorktown.
By James Otis.
THE BOY SPIES OF PHILADELPHIA.
The story of how the young spies helped the Continental
Army at Valley Forge.
By James Otis.
THE BOY SPIES OF FORT GRISWOLD.
The story of the part they took in its brave defence.
By William P. Chipman.