Boy Scouts on the Open Plains; Or, The Round-Up Not Ordered

by G. Harvey Ralphson

or, The Plot Against Uncle Sam.

3. Boy Scouts in the Philippines;

or, The Key to the Treaty Box.

4. Boy Scouts in the Northwest;

or, Fighting Forest Fires.

5. Boy Scouts in a Motor Boat;

or, Adventures on the Columbia River.

6. Boy Scouts in an Airship;

or, The Warning from the Sky.

7. Boy Scouts in a Submarine;