Crimson Mountain — Grace Livingston Hill

No longer heir to her father's fortune, Laurel Sheridan returns to her hometown of Carrollton to earn her living. But a wrong turn soon brings her to a life-threatening tight spot. Phil Pilgrim, a soldier, rescues Laurel and vows to stick by her for the remainder of his leave. . .then finds it hard to leave Laurel at all. With Phil gone, Laurel draws strength from beautiful Crimson Mountain. . . . Then she overhears a plot to destroy the town's new munitions plant, and one decision could spare lives -- or spell disaster.