The Pony Rider Boys in New Mexico; Or, The End of the Silver Trail
1925
The Pony Rider Boys in the Alkali; Or, Finding a Key to the Desert Maze
1925
The Battleship Boys at Sea; Or, Two Apprentices in Uncle Sam's Navy
1925
The Pony Rider Boys in Louisiana; or, Following the Game Trails in the Canebrake
1925
The Battleship Boys in Foreign Service; or, Earning New Ratings in European Seas
1925
The Pony Rider Boys in Texas; Or, The Veiled Riddle of the Plains
1925
The Pony Rider Boys on the Blue Ridge; or, A Lucky Find in the Carolina Mountai…
1925
The Pony Rider Boys in the Grand Canyon; Or, The Mystery of Bright Angel Gulch
1925
The Pony Rider Boys in New England; or, An Exciting Quest in the Maine Wilderne…
1925
The Pony Rider Boys in Alaska; Or, The Gold Diggers of Taku Pass
1925
The Pony Rider Boys in Montana; Or, The Mystery of the Old Custer Trail
1925
The Pony Rider Boys in the Ozarks; Or, The Secret of Ruby Mountain
1925
The Battleship Boys' First Step Upward; Or, Winning Their Grades as Petty Offic…
1925
The Pony Rider Boys in the Rockies; Or, The Secret of the Lost Claim
1925
The Pony Rider Boys with the Texas Rangers; Or, On the Trail of the Border Band…
1925