1 The Pony Rider Boys in the Rockies
2 The Pony Rider Boys in Texas
3 The Pony Rider Boys in Montana
4 The Pony Rider Boys in the Ozarks
5 The Pony Rider Boys in the Alkali
6 The Pony Rider Boys in New Mexico
7 The Pony Rider Boys in the Grand Canyon
8 The Pony Rider Boys with the Texas Rangers
9 The Pony Rider Boys on the Blue Ridge
10 The Pony Rider Boys in New England
11 The Pony Rider Boys in Louisiana
12 The Pony Rider Boys in Alaska
Circus Boys Series No. 3
By Edgar B. P. Darlington
1 The Circus Boys on the Flying Rings
2 The Circus Boys across the Continent
3 The Circus Boys in Dixie Land
4 The Circus Boys on the Mississippi
5 The Circus Boys on the Plains
The Battleship Boys Series No. 3
By Frank Gee Patchin
1 The Battleship Boys at Sea
2 The Battleship Boys' First Step Upward
3 The Battleship Boys in Foreign Service
4 The Battleship Boys in the Tropics
5 The Battleship Boys Under Fire
6 The Battleship Boys in the Wardroom
The Submarine Boys Series No. 3
By Victor G. Durham
1 The Submarine Boys on Duty
2 The Submarine Boys' Trial Trip
3 The Submarine Boys and the Middies
4 The Submarine Boys and the Spies
5 The Submarine Boys' Lightning Cruise
6 The Submarine Boys for the Flag