Joshua T. Calvert

Dr. Melody Adams, a physicist at the Gemini North Observatory, was studying Pluto in the telescope data, and it struck her as odd. The numbers didn't make sense. Could there be an extraterrestrial object in our solar system?

Multimillion-copy bestselling authors Douglas E. Richards and Joshua T. Calvert team up for the first time to deliver an explosive, high-stakes science-fiction thriller, one that will leave you breathless.

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.

Los Angeles lies in ruins. While the city is sealed off to contain an unknown contamination, the survivors battle strange anomalies under the toxic dust cloud. Among the survivors are Lee and Branson.

When the solar flare took out the world's power… nobody could explain why the street lights still glowed in Jakarta. Was it a signal from space?

James, Hannah, and Wolf face their greatest challenge yet in the pulse-pounding conclusion to The Rift trilogy.

Dr. James Barron narrowly prevented a catastrophic interdimensional invasion in The Rift. But now he must deal with a myriad of threats as great as the one he overcame.

Cassandra 22007 continues to hold the world in its grip. After the destruction of large parts of Los Angeles, the remaining inhabitants fight for their survival.

From the darkness of space, a global killer asteroid is on a collision course. Will the world's turmoil destroy mankind before it arrives?

On the International Space Station, an unthinkable disaster occurs. Was it an accident? ESA astronaut Thomas Ehrmann and NASA astronaut Patricia Michaels escape in a Soyuz capsule.

A year after destroying the wormhole generator in France and thus blocking the way to Earth for an allied AI, she lives with AcesAzrael in Switzerland. She fights alongside the last free humans against the approaching Forum and its unstoppable troops....

The world has changed. A killer is on the loose in the metaworld, and the still fragile resistance is in danger of crumbling. The resistance is desperately battling the influence of the Forum and the implant carriers....

When a stranger with a high-tech implant is found in the remote Finnish wilderness, neurosurgeon Bill and his computer scientist friend Steve see an opportunity. But they don't know what powers they're up against....

Book two in bestseller Joshua T. Calvert's next science fiction epic. A story of survival, invasion, and war that's perfect for fans of Jay Allan, Joshua Dalzelle, and S.M. Anderson....

Book 3 in Bestseller Joshua T. Calvert's next Science Fiction epic. A story of survival, invasion, and war that's perfect for fans of Jay Allan, Joshua Dalzelle, and S.M. Anderson....

On New Year's eve 2022, unknown flying objects appear over Europe and ignite an inferno of violence among themselves. Debris from one of the spacecraft falls on Athens, turning the city center into a smoking crater....

What if suddenly you could no longer see the sun? Or the stars? What if the world sank into darkness? Off the coast of Sulawesi, an Indonesian fisherman named Putra Buring Bule nets a strange object from the depths....

It’s been 20 years since the first manned mission to Mars discovered a human fossil on the Red Planet. Now, the democracies of the West are buckling under a new crisis emerging from Russia: 10,000 liberated Builders, now fully grown and no longer protected by the UN, are forced to flee....

In Los Angeles, Theodore and his team have no choice but to go into the lion’s den to learn the secrets that have not only destroyed their lives, but perhaps the lives of an entire generation....

For years, Filio Amorosa has had one goal, and only one goal: getting back to Mars. All that matters is finding out what happened on her mission there, and why she can’t remember any of it. But when she finally discovers the truth, it blows her whole world apart....