or, Lost on Thunder Mountain
"Telling how the lads started out to solve the mystery of a great noise in the mountains -- how they got lost -- and of the things they discovered."
or, The Hermit of the Cave
"A weird and wonderful story of the Grand Canyon and the Colorado, told in a most absorbing manner. The Saddle Boys are to the front in a manner to please all young readers."
or, After a Treasure of Gold
"In this story the scene is shifted to the great plains of the southwest and then to the Mexican border. There is a stirring struggle for gold, told as only Captain Carson can tell it."
or, In at the Grand Round-up
"Here we have lively times at the ranch, and likewise the particulars of a grand round-up of cattle and encounters with wild animals and also cattle thieves. A story that breathes the very air of the plains."
or, In the Hands of the Enemy
"The scene is shifted in this volume to Mexico. The boys go on an important errand, and are caught between the lines of the Mexican soldiers. They are captured and for a while all looks black for them but all ends happily."