Showing results by author "Joshua Calvert" in All Categories

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 passengers start dying, the race to escape becomes a race to uncover the truth. A supposed safe zone may hold answers, but the deeper Joshua and fellow passenger Amy dig, the more sinister the puzzle becomes.

Captain Konrad Bradley commands the decommissioned battleship Oberon, the last remaining Titan of the fleet. Mocked as a flying museum-too expensive, too cumbersome, too old-Bradley and his crew of outcasts from a long-vanished colony lead a dull life on the farthest edge of human hegemony. Bradley's hope to go quietly into the night ends with the arrival of the legendary Strike Group 2 and the delivery of a secret so great it could end the war. That's why Lagunia was chosen for its construction.

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. Within hours, killers strike. Charles is dead. Marcus is on the run. Hunted by the GBI, shadowy operatives, and the Mexican authorities, Marcus must unravel the truth about the relic—and the secret it holds about his own past.

A Simon & Schuster audiobook. Simon & Schuster has a great book for every listener...

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.

The day that changed Melody's life was like any other over the previous two years. She'd found she had a gift for writing, and her career as an author had almost healed the pain of losing her job. When the Secret Service rang her bell, everything changed. Something was nearing Saturn…and it was slowing down. Had she been right about the object?

At the dawn of 2026, twenty passenger jets crash across the U.S. within minutes. Japan goes dark. Europe's banking systems freeze. And that's just the opening move. While authorities scramble to blame hackers, computer scientist and journalist James Miller suspects something far worse—an AI-driven cyber weapon targeting global infrastructure. When a message from the darknet thrusts him into the crosshairs of intelligence agencies, James becomes the target in a high-stakes shadow 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 former metropolis is declared a restricted zone by NATO forces and sealed off. Amid the few survivors struggling for food, medicine, and clean water, Nikos takes care of his girlfriend, Maria, only to soon find out that to avert a creeping death, there is only one way out of the hell of Athens—the wreckage of the alien ship.

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 might have played.

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 dies under mysterious circumstances, an unlikely pair of investigators, Agatha Devenworth and Pano Hofer, begin investigating whether her death might be connected to Jackson's disappearance.

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. Nobody was interested in being a hero. Sometimes there's no choice.

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 faces an ancient danger from the darkness of deep space. A merciless war erupts, and Jeremy Brandt, Captain of the UNS Concordia, is sent through the wormhole to confront the mysterious enemy.

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. Most importantly, he must find a way to save a woman he can't get out of his head, Special Agent Hannah Walker, who vanished through a portal with a treacherous genius named Linus.

Deep in Antarctica, two researchers find an enigmatic black sphere suspended in the heart of a huge crater. Neither man is ever seen again. Decades later, reality fractures. A Manhattan skyscraper vanishes into thin air. An airplane crashes in the Sahara Desert—its existence defying logic. Across the globe, breathtaking technology and mysterious artifacts appear, all leading to one chilling truth: a parallel Earth is breaching the boundary between realities.

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 Devenworth and Pano Hofer have a new mission: Travel from the Human Foundation’s secret underground base to New York to uncover what the enemy is plotting.

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 obliterate everything they've fought to protect. As the fabric of existence continues to unravel, unleashing anomalous storms and creating rifts large enough for unstoppable warships to traverse, the trio must find a way to repel a superior force bent on conquest.

In Lake Maracaibo, in the northwestern part of Venezuela, a long-hidden extraterrestrial artifact underneath the ocean floor triggers a disaster. The United States military launches an expedition, sending a cutting-edge team of international researchers to the source of a magnetic instability that's destroying any electronics in the region.

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 players are moving them back into position. The mission? Dangerous. The chances of success? Slim. Will they once again succeed in pulling their heads out of the noose and reshuffling the cards?

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 country is ready to receive the descendants of Xinth: the Special Administrative Region of South Africa, where a lone Builder, Hortat, is running for president. The situation is unprecedented and around the world is giving rise to as much distress as it is hope for a better future for humanity.

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 way to Sol at the heart of the Terran Federation. Time is running out for Oberon. Time is running out for all humanity.