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A Map of Open Sky

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In the vast expanse of Montana’s wilderness, isolation gives way to exposure. Nathan Raine Cross has shed his old skin, living under a new name—Damian Harlan—and adapting his ritual to forests, trailheads, and the open sky where mistakes travel for miles. Charming, intelligent, and meticulous, he blends in as the hiker at the diner, the traveller passing through. But beneath the polite smile lies the predator, tightening his grip on a series of women whose lives are claimed with precision and contempt.
For Detective Marsden and Harker, the chase grows sharper. Their inter-agency bulletin, The Hour Between, spreads across counties, tracing tyre treads, till-rolls, trail-cam fragments, and the silent testimony of soil. They know his patterns, his compulsions, his vanity for tidy crime scenes. What they don’t know is how close he is prepared to let them come—or how brutal he can become when confronted with his own failures.
From staged accidents in deer blinds to the chilling three-day hunt of a woman who loved the chase, Montana becomes theatre for a killer who has learned to adapt, escalate, and taunt. And when Marsden finally gives him a name, Nathan Raine Cross, the race narrows to its most dangerous point the predator almost caught, the profilers almost broken.
A Map of Open Sky is the second book in the Nathan Raine Cross dark, atmospheric, and unflinching, it charts the widening arc of a killer whose neatness hides his savagery—and the investigators determined to end him

202 pages, Kindle Edition

Published October 17, 2025

About the author

RILEY COOPER

30 books

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