copyright MCMX [1910]; The Saalfield Publishing Company, Akron, Ohio et.al; hardbound in orange decorative boards; very good condition with unmarked pages; light age browning of pages; no dust jacket.
 
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"[...] After these exciting adventures, the lads concluded to cut short their Montana trip and go on to the next stage of their journeyings, which was destined to be even more stirring than any that had preceded it. How Tad Butler and Stacy Brown proved themselves to be real heroes, was told in "THE PONY RIDER BOYS IN THE OZARKS." For a long time, an organized band of thieves had been stealing stock in the Ozark range, baffling all efforts to apprehend them. The boys had been warned to guard their own stock carefully, but despite this, their ponies were stolen from camp, one by one and in a most mysterious manner, until not an animal was left. Then, one by one, the Pony Rider Boys became lost until only Tad and Stacy remained. They were facing starvation, and it will be recalled how Tad Butler made a plucky trip to the nearest mining camp for assistance. There the boys were imprisoned underground by a mine explosion; escaping from which, they met with perils every bit as grave, and from which they were eventually rescued by Stacy himself. Through the disaster, the lads solved the Secret of the Ruby Mountain, thus putting an end for good to the wholesale thieving in the Ozark range. Though the Pony Rider Boys had suffered many hardships in their journeyings, those that lay before them were destined to try them even more. In "THE PONY RIDER BOYS IN THE ALKALI," they faced the perils of the baking alkali desert. It will be recalled how they fought desperately for water when all the usual sources of supply were found to have run dry; how Tad and Stacy Brown were captured by a desert hermit and thrown into a cave; how, after their escape, they were lost in the Desert Maze, and how[...]".