J. W. Duffield

Books

Bert Wilson in the Rockies Bert Wilson in the Rockies
Bert Wilson in the Rockies
2006
The Radio Boys in the Thousand Islands The Radio Boys in the Thousand Islands
The Radio Boys in the Thousand Islands
2004
Bert Wilson at Panama Bert Wilson at Panama
Bert Wilson at Panama
2010
Bert Wilson on the Gridiron Bert Wilson on the Gridiron
Bert Wilson on the Gridiron
2009
Bert Wilson at the Wheel Bert Wilson at the Wheel
Bert Wilson at the Wheel
1924
Bert Wilson's Twin Cylinder Racer Bert Wilson's Twin Cylinder Racer
Bert Wilson's Twin Cylinder Racer
2015

Audiobooks

Radio Boys in the Secret Service (UNABRIDGED) Radio Boys in the Secret Service (UNABRIDGED)
Radio Boys in the Secret Service (UNABRIDGED)
2022