It was hard enough for Naomi to leave Leo, a fellow Final Six contestant, behind on a dying Earth. Now she doesn’t know who to trust. The International Space Training Camp continues to dodge every question about its past failed mission, and Naomi is suspicious that not everything is as it seems on her own mission to Europa. With just one shot at Jupiter’s moon, Naomi is determined to find out if there is dangerous alien life on Europa before she and her crew get there.

Engagement season is in the air. Eighteen-year-old Princess Leonie "Leo" Kolburg, heir to a faded European spaceship, has only one thing on her mind: which lucky bachelor can save her family from financial ruin? But when Leo’s childhood friend and first love, Elliot, returns as the captain of a successful whiskey ship, everything changes. Elliot was the one who got away, the boy Leo’s family deemed to be unsuitable for marriage. Now he’s the biggest catch of the season, and he seems determined to make Leo’s life miserable.

The daughter of two astronauts, Romy Silvers is no stranger to life in space. But she never knew how isolating the universe could be until her parents’ tragic deaths left her alone on the Infinity, a spaceship speeding away from Earth. It seems like a dream come true when NASA alerts her that another ship, the Eternity, will be joining the Infinity. Romy begins exchanging messages with J, the captain of the Eternity. But as the Eternity gets closer, Romy learns there’s more to J’s mission than she could have imagined.

Every seven years, the Agon begins. As punishment for a past rebellion, nine Greek gods are forced to walk the earth as mortals. They are hunted by the descendants of ancient bloodlines, all eager to kill a god and seize their divine power and immortality. Long ago, Lore Perseous fled that brutal world, turning her back on the hunt’s promises of eternal glory after her family was murdered by a rival line. For years she's pushed away any thought of revenge against the man - now a god - responsible for their deaths.

AIDAN is the AI you'll love to hate. The advanced AI system was supposed to protect a fleet of survivors who'd escaped the deadly attack on Kerenza IV. AIDAN was supposed to be infallible. But in the chaotic weeks and months that followed, it became clear that something was terribly, terribly wrong with AIDAN....

It is the morning of the reaping that will kick off the 10th annual Hunger Games. In the Capitol, 18-year-old Coriolanus Snow is preparing for his one shot at glory as a mentor in the Games. The once-mighty house of Snow has fallen on hard times, its fate hanging on the slender chance that Coriolanus will be able to out charm, outwit, and outmaneuver his fellow students to mentor the winning tribute. The odds are against him. He’s been given the humiliating assignment of mentoring the female tribute from District 12, the lowest of the low.

Kahlen is a Siren, bound to serve the Ocean by luring humans to watery graves with her voice, which is deadly to any human who hears it. Akinli is human - a kind, handsome boy who's everything Kahlen ever dreamed of. Falling in love puts them both in danger...but Kahlen can't bear to stay away. Will she risk everything to follow her heart?

As a successful social media journalist with half a million followers, 17-year-old Cal is used to sharing his life online. But when his pilot father is selected for a highly publicized NASA mission to Mars, Cal and his family relocate from Brooklyn to Houston and are thrust into a media circus. Amidst the chaos, Cal meets sensitive and mysterious Leon, another "Astrokid", and finds himself falling head over heels - fast. As the frenzy around the mission grows, so does their connection.

In 2030, a grieving archeologist arrives in the Arctic Circle to continue the work of his recently deceased daughter at the Batagaika Crater, where researchers are studying long-buried secrets now revealed in melting permafrost, including the perfectly preserved remains of a girl who appears to have died of an ancient virus. Once unleashed, the Arctic plague will reshape life on Earth for generations to come, quickly traversing the globe, forcing humanity to devise a myriad of moving and inventive ways to embrace possibility in the face of tragedy.

Caledon Holt is the kingdom's deadliest weapon. No one alive can best him in speed, strength, or brains, which is why he's the Hearthstone Guild's most dangerous member. Cal is also the Queen's Assassin, bound to her by magic and unable to leave her service until the task she's set for him is fulfilled. Shadow of the Honey Glade has been training all her life to join the Guild, hoping that one day she'll become an assassin as feared and revered as Cal. But Shadow's mother and aunts expect her to serve the crown as a lady of the Renovian Court.

Darrow is a Red, a member of the lowest caste in the color-coded society of the future. Like his fellow Reds, he works all day, believing that he and his people are making the surface of Mars livable for future generations. Yet he toils willingly, trusting that his blood and sweat will one day result in a better world for his children. But Darrow and his kind have been betrayed. Soon he discovers that humanity reached the surface generations ago. Vast cities and lush wilds spread across the planet. Darrow—and Reds like him—are nothing more than slaves to a decadent ruling class.

Lor has endured twelve long years of torment under the Aurora King's rule. Her only desire is to get free and pay him back for every moment of misery she's endured. When a surprise release finds her in the hands of the Sun King, Lor is thrust into the spotlight as she competes against nine other tributes for the role of queen. If she wins his heart, she'll earn her freedom and finally get her revenge. But Lor doesn't belong in the Sun Queen trials.

After a rough break up, Wyatt moves to New York City, eager to prove himself while working on Wall Street. When he’s asked to visit the father of his ex-girlfriend, a billionaire tycoon, his fate is sealed. The revolutionary company, Nu-En, launches a radical innovation, an energy that will allow every person on the planet access to power. Only it doesn’t perform as anticipated. Harnessing the ocean has consequences, and highly dangerous creatures emerge from the depths. Soon, the Earth is fracturing, and the world will never be the same.

Ten years ago, Calamity came. It was a burst in the sky that gave ordinary men and women extraordinary powers. The awed public started calling them Epics. But Epics are no friend of man. With incredible gifts came the desire to rule. And to rule man you must crush his will. Nobody fights the Epics...nobody but the Reckoners. A shadowy group of ordinary humans, they spend their lives studying Epics, finding their weaknesses, and then assassinating them. And David wants in. He wants Steelheart - the Epic who is said to be invincible. The Epic who killed David's father.

A world with no hunger, no disease, no war, no misery: Humanity has conquered all those things and has even conquered death. Now Scythes are the only ones who can end life - and they are commanded to do so in order to keep the size of the population under control. Citra and Rowan are chosen to apprentice to a scythe - a role that neither wants. These teens must master the "art" of taking life, knowing that the consequence of failure could mean losing their own.

Rhoma Grace is a 16-year-old student from House Cancer with an unusual way of reading the stars. While her classmates use measurements to make accurate astrological predictions, she looks up at the night sky and makes up stories.

For the millions who log in every day, Warcross isn't just a game - it's a way of life. The obsession started 10 years ago, and its fan base now spans the globe, some eager to escape from reality and others hoping to make a profit. Struggling to make ends meet, teenage hacker Emika Chen works as a bounty hunter, tracking down Warcross players who bet on the game illegally. But the bounty-hunting world is a competitive one, and survival has not been easy.

When Freedom Airlines flight 121 went down over the Pacific Ocean, no one ever expected to find survivors. Which is why the 16-year-old girl discovered floating among the wreckage - alive - is making headlines across the globe. Even more strange is that her body is miraculously unharmed and she has no memories of boarding the plane. She has no memories of her life before the crash. She has no memories period. No one knows how she survived. No one knows why she wasn't on the passenger manifest.

Eli knows corruption runs deep within the compound. It's a reality he's forced to confront every year on Bid Day. But when your job is to go out into the radiation-soaked Fringe so that others can live in peace, you don't ask too many questions. For Harper, the bid system works just fine. She's the best developer in her year, and she's confident she'll find a place among the wealthy, respected Systems workers. But when an upset in the bidding changes the course of Harper's future, she'll be forced to rely on an unlikely ally.

It's a night like any other on board the Icarus. Then, catastrophe strikes: the massive luxury spaceliner is yanked out of hyperspace and plummets into the nearest planet. Lilac LaRoux and Tarver Merendsen survive. And they seem to be alone. Lilac is the daughter of the richest man in the universe. Tarver comes from nothing, a young war hero who learned long ago that girls like Lilac are more trouble than they're worth. But with only each other to rely on, Lilac and Tarver must work together, making a tortuous journey across the eerie, deserted terrain to seek help.

For generations, girls known as Spinsters have been called by Arras' Manipulation Services to work the looms and control what people eat, where they live, how many children they have, and even when they die. Gifted with the unusual ability to weave time with matter, 16-year-old Adelice Lewys is exactly what the Guild is looking for, and in the world of Arras, being chosen as a Spinster is everything a girl could want. It means privilege, eternal beauty, and being something other than a secretary. But Adelice isn’t interested.

Stella Ainsley leaves poverty behind when she quits her engineering job aboard the Stalwart to become a governess on a private ship. On the Rochester, there’s no water ration, more books than one person could devour in a lifetime, and an AI who seems more friend than robot. But no one warned Stella that the ship seems to be haunted, nor that it may be involved in a conspiracy that could topple the entire interstellar fleet.

Joey Harker isn't a hero. In fact, he's the kind of guy who gets lost in his own house. But then one day, Joey gets really lost. He walks straight out of his world and into another dimension. Joey's walk between the worlds makes him prey to two terrible forces: armies of magic and science who will do anything to harness his power to travel between dimensions.

Solara Brooks needs a fresh start, someplace where nobody cares about the engine grease beneath her fingernails or the felony tattoos across her knuckles. The outer realm may be lawless, but it's not like the law has ever been on her side. Still, off-world travel doesn't come cheap; Solara is left with no choice but to indenture herself in exchange for passage to the outer realm.

In this New York Times Notable Book of the Year, a strange new life form threatens all of humanity, and only a fool would stand in its way. Katmer Al Shei has done well with the starship Pasadena, cutting corners where necessary to keep her crew paid and her journeys profitable. But there are two things she will never skimp on: her crew - and her fool. For a long space journey, a certified Fool’s Guild clown is essential, to amuse, excite, and otherwise distract the crew from the drudgeries of interstellar flight.

Seventeen-year-old Skylar has been haunted for as long as she can remember by fleeting yet powerful sensations that something is horribly wrong. But despite the visions of disaster that torment her, nothing ever happens, and Sky’s beginning to think she’s crazy. Then she meets a mysterious, otherworldly boy named Win and discovers the shocking truth her premonitions have tapped into: that our world no longer belongs to us.

Two years ago, the aliens made contact. Now Cara Sweeney is going to be sharing a bathroom with one of them. Handpicked to host the first-ever L'eihr exchange student, Cara thinks her future is set. Not only does she get a free ride to her dream college, she'll have inside information about the mysterious L'eihrs that every journalist would kill for. Cara's blog following is about to skyrocket. Still, Cara isn't sure what to think when she meets Aelyx. Humans and L'eihrs have nearly identical DNA, but cold, infuriatingly brilliant Aelyx couldn't seem more alien.

A devastated Earth's last hope is found in Pearls: small, mysterious orbs that fall from space and are capable of supplying enough energy to power entire cities. Battling to control the Pearls are the Skyship dwellers -political dissidents who live in massive ships in the Earth's stratosphere - and the corrupt Surface government.

After decades hunting wanted offworlders throughout the solar system, Corporate Bounty Hunter Malcolm Graves doesn't bother asking questions. So long as the pay is right, he's the man for the job. And he always works alone. But when a high-profile bombing on Earth has Pervenio Corp clamoring for answers, they force him to team up with a strange, cyber-augmented partner. A young man more interested in statistics than instinct. Their assignment: Track down a suspected group of extremists from Titan who will go to any length to free their moon from the grip of Earth's corporations.

Matt Cruse is a cabin boy on the Aurora, a huge airship that sails hundreds of feet above the ocean. One night he meets a dying balloonist who speaks of beautiful creatures drifting through the skies. It is only after Matt meets the balloonist's granddaughter that he realizes that the man's ravings may, in fact, have been true, and that the creatures are completely real and utterly mysterious.

It was hard enough for Naomi to leave Leo, a fellow Final Six contestant, behind on a dying Earth. Now she doesn’t know who to trust. The International Space Training Camp continues to dodge every question about its past failed mission, and Naomi is suspicious that not everything is as it seems on her own mission to Europa. With just one shot at Jupiter’s moon, Naomi is determined to find out if there is dangerous alien life on Europa before she and her crew get there.

Sera Lighthaven has always felt as if she didn’t quite belong among her people, the Cerulean, who live in the city above the sky. She is curious about everything - especially the planet her city is magically tethered to - and can’t stop questioning things. Sera has always longed for the day when the tether will finally break and the Cerulean can move to a new planet. But when Sera is chosen as the sacrifice to break the tether, she feels betrayed by everything in which she’d been taught to trust. In order to save her city, Sera must end her own life.

One minute they’re there: laughing and having fun at the house next door. The next minute, the teens are gone. Like magic. Marin can’t believe her eyes. Who are they? Can anyone else see them? What makes them so happy? Marin is lonely in this new town of hers and eager to figure out more. Then she meets Charley, who reveals that he knows about them, too. He calls them the “Remarkables”. Charley warns her to stay away from the Remarkables - and him.

Jessie Archer is a member of the Athena Protocol, an elite organization of female spies who enact vigilante justice around the world. Athena operatives are never supposed to shoot to kill - so when Jessie can’t stop herself from pulling the trigger, she gets kicked out of the organization, right before a huge mission to take down a human trafficker in Belgrade. Jessie needs to right her wrong and prove herself, so she starts her own investigation into the trafficking.

Nicole Morgan has been labeled many things - the geeky music girl, the shy sidekick of Miss Popularity, and the girl with the scar. Now only one name haunts her through the halls of Oyster Bay Prep. The girl in the picture. After heartthrob Chace Porter is found dead in the woods near the school, the police search for the girl snuggled up next to him in a picture discovered among his personal effects. A girl no one knew was even close to him - and whose best friend, Lana Rivera, was his girlfriend.