The Pony Rider Boys in the Rockies; Or, The Secret of the Lost Claim
The Lost Army
The Pony Rider Boys in Texas; Or, The Veiled Riddle of the Plains
The Pony Rider Boys on the Blue Ridge; or, A Lucky Find in the Carolina Mountains
Boris the Bear-Hunter
The Battleship Boys in Foreign Service; or, Earning New Ratings in European Seas
Battleship Boys' First Step Upward; Or, Winning Their Grades as Petty Officers
Battleship Boys at Sea; Or, Two Apprentices in Uncle Sam's Navy