Joshua T. Calvert

In 2018, Canadian archaeologist Ron Jackson makes a mind-boggling discovery in Antarctica - right before disappearing without a trace, leaving behind only his controversial theory that humans have lived on Earth far, far longer than we think they have....

Deep space holds secrets… …and one astronomer for NASA has found a big one. But it's not what she thinks. 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...

Humanity's only colony in the distant Archimedes system is in turmoil... Contact with Earth has been lost for generations and mysterious waves of disappearing colonists have been shaking the five moons for decades. When suddenly a wormhole appears in the middle of the system, the Union Navy...

James, Hannah, and Wolf face their greatest challenge yet in the pulse-pounding conclusion to The Rift trilogy. Finally reunited on an advanced, alternate Earth where the mighty Roman Empire never died, James, Hannah, and Wolf now stand at the precipice of an interdimensional war threatening...

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

It’s our planet. But it’s their war.... 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. The destroyed remnant of the...

194 passengers. 24 hours. No memories. One deadly countdown. Dr. Joshua Hammond wakes up on a flight with no idea who he is—only a glowing green implant ticking down from 24 hours. Everyone on board has lost their memory. Everyone has the same timer. When the plane lands in a ghost city and...

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. Threats including growing rifts in the fabric of reality, anomalous superstorms, and conspiracies that just might span worlds...

A mysterious signal. A start-up that wants to change the world. A future that no longer belongs to us. Contains all three books in The Stolen Future series.

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. One...

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....

A coming interdimensional war. A race against time. A thrill ride like no other. 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. Deep in...

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...

In Lake Maracaibo, in the northwestern part of Venezuela, a long-hidden extraterrestrial artifact underneath the ocean floor triggers a disaster....

Betrayed by shadowy government forces, FBI agents Thor Dejeune and Maya Wilson are forced into hiding. Across the Atlantic, Marcus Brown is abducted and ordered to uncover a secret he never knew existed: What is the artifact—and why is half the world desperate to find it?

James and his team are stranded on Prime. Their way back is blocked, and they face a world taking its last breaths. Only a small area of forest seems to defy the radiation and storms, and its nature puzzles the explorers. But on the horizon, they see the remains of a city and gain new...

The transition through the experimental teleporter on Al'Antis was successful. James and his team have found the original teleporter of the elders. But what awaits them on the other side is not what they expected. They find the answers they so ardently desire, but none of them makes their future...

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.

Deep beneath the Pyramid of the Sun, archaeologist Charles Bowen and his protege Marcus Brown uncover an artifact that rewrites history—and paints a target on their backs.

Everything is different than expected. The mystical home of mankind is anything but the warm bosom of their ancestors, and the power is no longer with himanity. Pascal and Jeremy quickly realize that they didn't reach Earth for no reason, and that they are mere pieces on a chessboard. The real...