The most trying day of all. Hi Lang utters a warning. A cloud that aroused suspicion. Overlanders meet with a keen disappointment. "Folks, the tank is dry! The water hole has been tampered with!" announces the Overlanders' guide.

CHAPTER XIX—THE WARNING

An all-night ride for Forty-Mile Canyon. The red star is Hi Lang's beacon. Hippy Wingate mourns at missing a meal. Emma comes a cropper in a mountain stream. "The last spot made when the world was built." In camp in the Specter Range. Grace Harlowe's discovery.

CHAPTER XX—CONCLUSION

Grace Harlowe wades into the mountain stream and suddenly disappears. A remarkable scene behind the waterfall. Grace makes an important capture. Mountain and desert mysteries unveiled. Lindy becomes the daughter of five mothers. Home!

GRACE HARLOWE'S OVERLAND RIDERS ON THE GREAT AMERICAN DESERT

CHAPTER I

WHEN THE COWBOYS LAUGHED

"Grace Harlowe, do you realize what an indulgent husband you have?" demanded Elfreda Briggs severely.

"Why, of course I do," replied Grace, giving her companion a quick glance of inquiry. "Why this sudden realization of the fact on your part!"