More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.

Linda McKinney is a myrmecologist, a scientist who studies the social structure of ants. Her academic career has left her entirely unprepared for the day her sophisticated research is conscripted by unknown forces to help run an unmanned - and thanks to her research, automated - drone army. Odin is the secretive Special Ops soldier with a unique insight into the faceless enemy who has begun to attack the American homeland with drones programmed to seek, identify, and execute targets.

The year is 2026. China has taken over as the world's largest economy, while the United States, mired in an oil shortage, struggles to adjust to its diminished role. Then, a surprise attack throws the US into a chaos unseen since Pearl Harbor. As the enemy takes control, the survival of the nation will depend upon the most unlikely forces: the Navy's antiquated Ghost Fleet and a cadre of homegrown terrorists.

The Martian meets Gravity when Army Pilot Vaughn Singleton, Earth’s last man, rushes to Area 51 in search of a spaceplane after he discovers the last woman is stranded on the International Space Station and barely alive - thus beginning a race against time. The event that wiped life from the planet started at the supercollider. It created a rift in space-time. The astronaut stranded aboard the space station, Commander Angela Brown, is a theoretical physicist who used to work at the collider.

Dieter Webber, a former Jump Armor pilot, lost his war. Years later as a broken ex-pat, half a galaxy away, the former combat pilot is haunted by the ghosts of the war and looming debts to organized crime. An encounter with an Android, Reis, serves as an invitation from his former commander to a reluctant escape: Mercenary work in her company, Valkyrie LLC.

Juan Cabrillo's first adventure with the Oregon - a state-of-the-art spy ship disguised as a nondescript lumber hauler - takes him and his crew into dangerous waters as they try to put Tibet back in the hands of the Dalai Lama by striking a deal with the Russians and the Chinese.

While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth.

Kurt Austin and his crew are back to slake their thirst for action as they attempt to drown an eco-extortionist's plan to control the world's freshwater supply. From deep within the Venezuelan rain forest emanates the legend of a white goddess and a mysterious tribe with startling technical accomplishments. Few believe the tribe exists, and even fewer suspect its deity can change the course of history.

Lincoln Miller, an ex-Navy SEAL turned NCIS special agent, is sent to Aquarius, the world’s only sub-oceanic research facility, located off the Florida Keys, to investigate reports of ocean dumping. A week into his stay, strange red flakes descend from the surface. Scores of fish are dead and dying, poisoned by the debris that turns to powder in Miller’s fingers and tastes like blood. Miller heads for the surface, ready to fight whoever is polluting on his watch. But he finds nothing. No ships. No polluters.... No oxygen.

When petty criminal Cal Carver is locked in a cell with a deranged, semi-naked cannibal, he suspects his life has hit its lowest point. He is mistaken. Abducted by aliens and whisked across the galaxy, Cal is thrown into a team of misfits and criminals and sent on a top secret mission for the president of Space. And that's when everything starts to go very, very wrong....

Once, a girl called Ace travelled the universe with the Doctor - until, in the wake of a terrible tragedy they parted company. Now, decades on, she is known as Dorothy McShane, the reclusive millionaire philanthropist who heads the global organisation A Charitable Earth. But Dorothy is being haunted by terrible nightmares in which she’s abducted to an alien world. Nightmares that begin just as scores of young runaways are vanishing from the dark alleyways of London.

What would the world be like without America? The attack only takes a few minutes to sweep from coast to coast. When it ends, nearly everyone on mainland USA is gone. Every policeman. Every housewife. Every trucker. Everyone. A continent free for the taking.... Ted MacInnis is a backup pilot on Air Force Two, over the Atlantic, when it happens. A warrior by nature, he can do little but listen as the radio signals from his homeland fade away and die.

Six minutes after takeoff, Flight 1421 crashes into the Pacific Ocean. During the evacuation, an engine explodes and the plane is flooded. Those still alive are forced to close the doors—but it’s too late. The plane sinks to the bottom with twelve passengers trapped inside. More than two hundred feet below the surface, engineer Will Kent and his eleven-year-old daughter Shannon are waist-deep in water and fighting for their lives.

Get the Earth's Last Gambit bundle, featuring all four books in this first-contact series blending hard sci-fi and edge-of-your-seat action.