Description

Uncover the mystery in The Shackleton Signal by Joshua T. Calvert. This hard sci-fi thriller blends realistic science, suspense, advanced technology, and space exploration into an unforgettable adventure for science fiction fans.

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.

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About the author

Joshua T. Calvert

Joshua T. Calvert is an award-winning author whose books have sold more than two million copies, reached the USA Today bestseller list and are currently available in English, German, Spanish, Italian, Swedish, Russian and Ukrainian. A regular speaker at universities, book fairs and symposia, he is known for his immersive research, which has included skydiving, scuba diving, firearms training, expeditions to Antarctica and parabolic flights with astronauts. He lives with his family in New Zealand.