Since she was three years old, Anastasia Miller has been telling anyone who would listen that she's an alien disguised as a human being, and that the armada that left her on Earth is coming for her. Since she was three years old, no one has been willing to listen. Now, with an alien signal from the stars being broadcast around the world, humanity is finally starting to realize that it's already been warned, and it may be too late.

Everyone could see it coming. But one man could do something about it. Oh, he couldn't avert the nuclear holocaust, but a scientist in Austria, ruthlessly using billions of research dollars for his own purposes, set himself up and out: he created a time machine, and filled a warehouse with low-tech survival gear. Too bad he didn't get to use it himself. Instead, a team of American grad students, led by their professor, is sent back to the late Roman Empire. Even though they are experts in this time and place, they are about to realize that books and actual experience are very different things.

On Christmas Eve, DCI Mackenzie Jones is called to a shooting at a remote farmhouse. Ralph Mallender believes his father lies dead inside. When three more bodies are discovered, it's clear a festive family gathering has turned into a gruesome tragedy. At first it seems like an open and shut case: a murder suicide committed by Ralph's volatile brother Cameron. Then new evidence makes Mack suspect the man who reported the crime is in fact the perpetrator. But Mack isn't the only one with a stake in the case.

Special Agent Constant Marlowe is tasked with taking over the investigation of an obsessed serial killer trolling the small town of Clark Valley in the quiet—and eerie—plains of the Midwest. Two female victims in quick succession, the same brutal MO, and every indication that victim number three is only days away. Also in the killer’s scope is Constant herself. When she interviews a local family who may be potential witnesses, she leads the devil to their doorstep, throwing their lives into chaos.

Dalton Greaves is a hero. He’s one of humankind’s first representatives to Unity, a pan-species confederation working to bring all sentient life into a single benevolent brotherhood. That’s what they told him, anyway. The only actual members of Unity that he’s ever met are Boreau, a giant snail who seems more interested in plunder than spreading love and harmony, and Boreau’s human sidekick, Neera, who Dalton strongly suspects roped him into this gig so that she wouldn’t become the next one of Boreau’s crew to get eaten by locals while prospecting.

Scientist Beth Darlow has discovered the unimaginable. She's built a machine that allows human consciousness to travel through time—to any point in the traveler's lifetime—and relive moments of their life. An impossible breakthrough, but it's not perfect: the traveler has no way to interact with the past. They can only observe. After Beth's husband, the co-creator of the machine, dies in a tragic car accident, Beth is left to raise daughter—and continue the work they started. Mired in grief and threatened by her CEO, Beth pushes herself to the limit to prove the value of her technology.

Gen-X computer hacker Toby is a classic American: impulsive, irreverent, intelligent, and inventive. And, after a silly accident in 2008, he can add “inanimate” to the list—because Toby is dead. But only for a while. Eighty years later, medical science has advanced enough to bring Toby back to life.

Over thousands of years and thousands of worlds, universe-spanning societies of interdimensional travelers have arisen. Some seek to make the multiverse a better place, some seek power and glory, others knowledge, while still others simply want to write their own tale across the cosmos.

When a mysterious tower appears in the skies over England, thirteen strangers are pulled from their lives to stand before it as a countdown begins. Above the doorway is one word: ASCEND. As a grieving teacher, a reclusive artist, and a narcissistic celebrity children's author lead the others in trying to understand why they've been chosen and what the tower is, it soon becomes clear the only way out of this for everyone . . . is up.

In a mostly underwater near-future Los Angeles, aging combat-drone veteran Orr Vue now lives a simple and small life, trading snippets of what's become the most valuable currency: information. So when the cops show up at his door looking for data on a murder he’s not even aware has happened, things get interesting for the first time in 25 years.

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 team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

When archaeologist Ursula Morrow accidentally infects herself with an alien parasite, she fears she may have jeopardised her career. However, her concerns become irrelevant when Earth is destroyed, billions die, and suddenly no one needs archaeologists anymore… Two years later, she's plucked from a refugee camp on a backwater world and tasked with retrieving the artifact that infected her, as it just might hold the key to humanity's survival.

Near the topmost deck of an interstellar generation ship, Dorothy Gentleman wakes up in a body that isn’t hers—just as someone else is found murdered. As one of the ship’s detectives, Dorothy usually delights in unraveling the schemes on board the Fairweather, but when she finds that someone is not only killing bodies but purposefully deleting minds from the Library, she realizes something even more sinister is afoot.

In Half Moon Bay, California, 2016, a young woman waits for her father's sailboat to arrive at port. They have agreed to meet on this day and time. Yet he never shows. He has told her this event might come. And if it did, she was ready. Go to the library in Berkeley, find a certain book, follow the instructions. But what if the instructions lead to more questions than answers?

It’s the year 2022. Dani Peterson has been walking in the west of Ireland, conducting historical research for her dissertation. But when she seeks shelter from a storm in Aideen O’Brien’s car, she gets more history than she bargained for. Aideen is a Time Link, with secret access to time travel technology. She sends Dani to 1978 to meet a younger version of herself. The two fall in love and Dani joins Aideen in her work. Their boss is a man from 2253 named Charles Burke, who says his mission is to save the future.

When a worldwide cyber-attack releases every prisoner at once, everything changes. Kevin Richardson wrestles with the choice to help in this global crisis far beyond his training as a volunteer state guard. After he chases down and subdues a desperate murderer, however, he realizes that courage in this new chaotic world is needed now more than ever. But as the hackers escalate their unimaginable plans, Kevin teams with other first responders who slowly realize the truth. The danger is less about the criminals—and more about the swift collapse of law and order at every level.

Seventeen-year-old Caprice wants to piece her family back together now that her older brother has returned home, even as she resents that he ever broke them apart. Just as she starts to get a new footing—falling in love for the first time, uncertainly mending her traumatized relationship with her brother, completing the app that will win her a college scholarship and a job in tech—wildfires strike Sierra, her small California town, forcing her to reckon with a future that is impossible to predict.

It’s spring of 2020 and Rachel Bloomstein—mother of three, recent divorcée, and Brooklynite—is stuck inside. But her newly awakened sexual desire and lust for a new life refuse to be contained. Leaning on her best friend Lulu to show her the ropes, Rachel dips a toe in the online dating world, leading to park dates with younger men, flirtations with beautiful women, and actual, in-person sex. None of them, individually, are perfect . . . hence her rotation. But what if one person could perfectly cater to all her emotional needs?

Edmund Gunderson—former Terran governor of the colony world of Belzagor—returns eight years after the planet has gained independence, drawn back for reasons he can’t quite explain. Things have changed significantly since he left, and he plays his part well—slightly pompous former government official—for the tourists he encounters on the way down. But this is more than a simple sight-seeing visit. As Gunderson comes face-to-face with the consequences of his former attitudes and actions, he finds himself on a journey—both physical and spiritual—to the legendary mountain of rebirth.

Ellis County, Texas, is turned on its head when everyone within a twenty-mile radius wakes up in a world they don't recognize - a world populated by animals long since extinct. It's up to a tired sheriff and a former Army Ranger to set aside their differences, solve the mystery, and keep the people of Ellis County and Waxahachie safe.