Joshua T. Calvert

From the darkness of space, a global killer asteroid is on a collision course. Will the world's turmoil destroy mankind before it arrives? Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a...

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...

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...

“It’s not the end of the world, Jack. But we can see it from here.” In a grim future, astronomers discover the solar system’s long-theorized ninth planet, triggering an unprecedented space race, but not between countries. Instead, two mega corporations battle fiercely for primacy. Each...

Alone in deep space, she wakes to find her crew dead, her ship failing, and a mysterious signal pulsing from a distant planet. Is she truly alone? In the unforgiving silence of deep space, a lone astronaut awakens—disoriented, alone, and haunted by fractured memories. The cryostasis pod that...

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...

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 to...

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 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...

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. Decades later, in 2042, when Jackson's wife...

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...

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...

"Joshua T. Calvert has a gift for making nail-biting science fiction that you can't put down. Get ready for some sleepless nights!"—M. A. Rothman, USA Today bestselling author In Lake Maracaibo, in the northwestern part of Venezuela, a long-hidden extraterrestrial artifact underneath the ocean...

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. Meanwhile, on Earth, Agatha...

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...

Sol has fallen, but the fight continues to rage. Oberon stayed behind, nothing more than a ghost on a radar screen, watching as the Clicks increase their presence on planet Earth. What's going on with the humans left behind? No one knows. Humanity's fleet admiral has survived! And he's issuing...

Humanity is on the run after the epic battle of Lagunia. Oberon becomes the predator. Find their kidnapped crewmates. End the alien incursion into the human hegemony. Too often the predator becomes the prey. With the enemies of humanity emboldened by their success, Oberon takes the fight all the...

Andal has fallen, engulfed by the Never, and torn from the galaxy. Gavin and his crew of rebels have escaped the mysterious stealth ship and are stranded on an alien world, while Janus Darishma tries to figure out what happened on the edge of the Empire and what part Fleet Admiral Marquandt...

For generations, we colonized worlds, and the human race spread throughout the galaxy. One discovery could end it all. They called the ship Lady Vengence, and her Captain, Gavin Andal, was young, a bit arrogant, and the perfect fit for a bunch of misfits more interested in shore leave than work...

Humanity's endless war and a crew of outcasts on a decommissioned warship who could change the future. First contact with the alien "Clicks" led to a generations' long war. The Terran Federation still knows very little about the enemy. Captain Konrad Bradley commands the decommissioned...