Robert Shaler was another prolic writer of Boy Scout fiction about whom I can find nothing.
His search page on Project Gutenberg
His search page on Google Books
Mary Crosson’s "Sterling Boy Scouts Series" page.
His Boy Scout books:
The Boy Scouts at Mobilization Camp
The Boy Scouts of the Signal Corps
shaler_The Boy Scouts of Pioneer CampThe Boy Scouts of Pioneer Camp
The Boy Scouts of the Geological Survey
The Boy Scouts on Picket Duty
The Boy Scouts of the Flying Squadron
The Boy Scouts and the Prize Pennant
The Boy Scouts of the Naval Reserve
Boy Scouts in the Saddle
The Boy Scouts for City Improvement
Boy Scouts in the Great Flood
Boy Scouts of the Field Hospital
Boy Scouts with the Red Cross
Boy Scouts as County Fair Guides
Boy Scouts as Forest Fire Fighters
The Boy Scouts on the Roll of Honor
The Boy Scouts with the Motion Picture Players
The Boy Scouts for Home Protection
The Boy Scouts of the Live Saving Crew