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