Two eastern boys visit their cousin. They become involved in an exciting mystery.
2. THE BOY RANCHERS IN CAMP or The Water Fight at Diamond X
Returning for a visit, the two eastern lads learn, with delight, that they are to become boy ranchers.
3. THE BOY RANCHERS ON THE TRAIL or The Diamond X After Cattle Rustlers
Our boy heroes take the trail after Del Pinzo and his outlaws.
4. THE BOY RANCHERS AMONG THE INDIANS or Trailing the Yaquis
Rosemary and Floyd are captured by the Yaqui Indians but the boy ranchers trailed them into the mountains and effected the rescue.
5. THE BOY RANCHERS AT SPUR CREEK or Fighting the Sheep Herders
Dangerous struggle against desperadoes for land rights brings out heroic adventures.
6. THE BOY RANCHERS IN THE DESERT or Diamond X and the Lost Mine