A Story of Crater Lake National Park and the High Cascades
Or, A Chronicle of the B. S. S. Bright Wing
The First Edition, 1911
or, Searching an Ocean Floor
The Warning From the Sky
or The Flag on the Cliff
The Adventures of Two Young Easterners in the Heart of the High Rockies
On Guard with Uncle Sam
or, Spaniard's Treasure Chest
The Plot Against Uncle Sam
Or the Light in Tunnel Six
Or, The Light in Tunnel Six
The Mystery of a Sub
Or, Fighting Forest Fires
Or, The Key to the Treaty Box
or Perils of the Black Bear Patrol
or, To the Rescue in the Black Water Swamps