Author

J. W. Duffield

12 titles available
Cover of The Radio Boys in the Thousand Islands by J. W. Duffield

The Radio Boys in the Thousand Islands
Cover of Bert Wilson on the Gridiron by J. W. Duffield

Bert Wilson on the Gridiron
Cover of Bert Wilson, Wireless Operator by J. W. Duffield

Bert Wilson, Wireless Operator
Cover of Bert Wilson's Twin Cylinder Racer by J. W. Duffield

Bert Wilson's Twin Cylinder Racer
Cover of The Radio Boys Under the Sea; or, The Hunt for Sunken Treasure by J. W. Duffield

The Radio Boys Under the Sea; or, The Hunt for Sunken Treasure
Cover of Bert Wilson in the Rockies by J. W. Duffield

Bert Wilson in the Rockies
Cover of Radio Boys in the Flying Service; or, Held For Ransom by Mexican Bandits by J. W. Duffield

Radio Boys in the Flying Service; or, Held For Ransom by Mexican Bandits
Cover of Radio Boys in the Secret Service; Or, Cast Away on an Iceberg by J. W. Duffield

Radio Boys in the Secret Service; Or, Cast Away on an Iceberg
Cover of Bert Wilson, Marathon Winner by J. W. Duffield

Bert Wilson, Marathon Winner
Cover of Bert Wilson at the wheel by J. W. Duffield

Bert Wilson at the wheel
Cover of Bert Wilson's Fadeaway Ball by J. W. Duffield

Bert Wilson's Fadeaway Ball
Cover of Bert Wilson at Panama by J. W. Duffield

Bert Wilson at Panama

About J. W. Duffield

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