In 2157, a mysterious gas known as Variant spreads across the globe, killing or mutating most organic life. The surviving humans take refuge in an underground city, determined to return home. But after generations of failures and botched attempts, hope is beginning to dwindle. That is, until a young scientist makes a unique discovery, and everything changes. Suddenly, there's reason to hope again, and it rests within a group of genetically engineered children that are both human and Variant.

In a new world isolated by a rising, toxic sea, a single bridge connects Askala to the Outlands. Those who remain will need to pass a "proving" to determine if they have the intelligence and heart to champion the future of their broken Earth. Those who succeed will become Bound, the ones chosen to breed. Those who fail, are Unbound. Free of responsibility, but robbed of their ability to bear children.

In the Valta, no matter what month you were born, everyone is assigned the same birthday. November 1st. It's the anniversary of the day when the government declared war on the Eastern Order. The day you turn 17, the Recruiters come to take you away. And no one ever hears from you again. It’s October 31st. Today, Kress is 16 years old. Tomorrow, she’ll be taken. The good news? So will her best friend Cardyn, and Brohn, the handsome, enigmatic boy she’s avoided all her life. The bad news? Recruitment isn’t what any of them expected. Weeks of training await.

Abigail and Clementine were just a couple of orphans looking for a home. But when the two girls witness something terrible, they have no choice but to leave their orphanage and go into hiding. The only person willing to take them in is a man named Mulberry, but his home isn't the safest place for two innocent children.

In the year 2050, Earth makes first contact. By 2052, the war is over. We lose. Soon after the generation starship Pioneer leaves Earth's orbit, the ship is struck by a rogue asteroid. At first, Captain Tyson Grant believes the accident is minor. But when a by-the-book investigation of the damage ends in disaster, he realizes he was wrong.

The United Nations of Earth sent out the Forerunner ships to explore and colonize the four most promising star systems within 50 light-years of Earth. Forerunner One left Earth under the command of Captain Clayton Cross, heading for Trappist-1. After a ninety year journey to reach it, the crew encountered not only a habitable world, but alien life already inhabiting it, and dark secrets lurking beneath the surface. The revelation of who these aliens are and what they want proves more terrifying than promising, and Captain Cross is forced to make tough decisions that will affect not only his crew, but the fate of the entire human race.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born Master Gunnery Sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

Angela is a woman trying to get by in this bewildering new world. Though she still lives with her husband and children, they lead separate lives. Confined to their rooms, they communicate via their computers and phones. In some ways, very little has changed. That is, until she spots a mysterious stranger walking through town without even a face mask for protection. A man, it seems, immune to this disease. A man unlike anyone else she knows. A man it might just be safe to touch.... 

Everything that lives hates us. When nature has turned against humanity, who will save us? Koli is a boy who is afraid of trees. After the world broke down, all the plants were dying, so people made them stronger. Now everyone is afraid of them. And it's not just the trees. The animals have turned against us, too. Not to mention the Shunned Men, the outcasts outside the village walls. If Koli can wake the technology of the old world, he thinks he won't have to be afraid of anything again. He's wrong.

Diamond Aerospace launches a ship with an experimental engine that will get a crew to Titan in five months. Their mission is to lay the groundwork for a permanent orbital research station, one that will be the future base of operations for activity on that distant moon. Shortly after launch, a devastating malfunction forces the crew to make a choice: continue to Titan, or go back home. As the truth about their mission unravels, one thing is clear: someone on Earth knew about the system flaw and covered it up. 

The fate of humanity lies on the shoulders of Burt Radcliffe, the new head of NASA's Near Earth Object program. He's been rushing the completion of DefenseNet, a ring of satellites that are both part of an early-warning system, as well as the means to eliminate incoming threats. Yet Burt knows that despite the world's best efforts, nothing can be done about the alert he's just received. Coming out of deep space is a danger that's been approaching since the dawn of time. A black hole. An unstoppable threat that promises death for all in its wake.

A toxic river divides 19-year-old Violet Bates' world by gender. Women rule the East. Men rule the West. Welcome to the lands of Matrus and Patrus. Ever since the disappearance of her beloved younger brother, Violet's life has been consumed by an anger she struggles to control. Already a prisoner to her own nation, now she has been sentenced to death for her crimes. But one decision could save her life. To enter the kingdom of Patrus, where men rule and women submit.

How do you fight an enemy when they're inside your mind? A gargantuan glass-walled tower looms over a deadly wilderness. They say it's all that's left. The Tower's survival is humanity's survival, and each must serve it faithfully.... Twenty-year-old Liana Castell must be careful what she thinks. Her life is defined by the number on her wristband - a rating out of 10 awarded based on her usefulness and loyalty to the Tower, and monitored by a device in her skull. A device that reports forbidden thoughts.

Are you who they say you are? London, 2052. An ID tag is embedded in the flesh of your neck. Your every move is tracked. Your genes tell the State nearly everything about you. Everything you were. Everything you are. Everything you will be. For Freya, Kane, and the rest of this fledgling generation, the battle to break free of their genetic horoscopes will not be without bloodshed....

March 15th, Earth Year 2290. The day the aliens returned. The memories are still fresh. Of colonies burning. Of millions dying in agony. Fifty years later, we’ve built up our strength. Using a wormhole, we colonized both sides of the galaxy. It was the worst mistake we could have made. Our enemy has returned and the wormhole has collapsed. Commander Thatcher finds himself on the wrong side of the divide. Separated from his pregnant wife by countless light years. He’s just been given command of a light armored cruiser. His first command.