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 summer visit to their western cousin’s ranch, the two eastern lads learn, with delight, that they are to be allowed to become boy ranchers in earnest. =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 visiting their cousins Bud, Nort and Dick, are captured by the Yaqui Indians. The boy ranchers trail the savages into the mountains and eventually effect 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_ One stormy night there arrived at the bunk house a strange figure. He was an old miner almost dead from hunger and hardship. The boys cared for him and, out of gratitude, he told them the tale of the lost desert mine. _Send For Our Free Illustrated Catalogue_ CUPPLES & LEON COMPANY, Publishers New York TRANSCRIBER’S NOTES: Italicized text is surrounded by underscores: _italics_. Emboldened text is surrounded by equals signs: =bold=. Obvious typographical errors have been corrected. Inconsistencies in hyphenation have been standardized. Archaic or variant spelling has been retained.