The Shackleton Signal
Joshua T. Calvert
Jun 2025 · Podium Audio · Narrated by Gary Tiedemann
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Audiobook
11 hr 22 min
Unabridged
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Eligible
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About this audiobook
In the eternal darkness of the moon, something is calling. When NASA's Sentinel I satellite detects an impossible reflection and a mysterious signal from Shackleton Crater, the world is thrown into chaos. The discovery points to one chilling truth: an alien artifact lies hidden beneath the lunar surface—and it wants to be found. As China scrambles to exploit the revelation, a new moon race ignites, pushing humanity to the brink. Thrust into the center of the storm, NASA astronaut Charlie Reid must navigate a volatile mission where science, survival, and military might collide. With the fate of humanity hanging in the balance, the question remains: what will they find—and will we survive it? The race for the future has begun. And the prize may cost us everything.
In the eternal darkness of the moon, something is calling. When NASA's Sentinel I satellite detects an impossible reflection and a mysterious signal from Shackleton Crater, the world is thrown into chaos. The discovery points to one chilling truth: an alien artifact lies hidden beneath the lunar ...
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