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....

The year is 2380, and the graduating cadets of Aurora Academy are being assigned their first missions. Star pupil Tyler Jones is ready to recruit the squad of his dreams, but his own boneheaded heroism sees him stuck with the dregs nobody else in the academy would touch....

Selly has salt water in her veins. So when her father leaves her high and dry in the port of Kirkpool, she has no intention of riding out the winter at home while he sails off to adventure. But any plans to follow him are dashed when a handsome stranger with tell-tale magician's marks on his arm commandeers her ship. He is Prince Leander of Alinor and he needs to cross the Crescent Sea without detection so he can complete a ritual on the sacred Isles of the Gods.

When Earth intercepts a message from a long-extinct alien race, it seems like the solution humanity has been waiting for. The Undying's advanced technology has the potential to undo environmental damage and turn lives around, and their message leads to the planet Gaia, a treasure trove waiting to be explored. For Jules Addison and his fellow scholars, the discovery of an ancient alien culture offers unprecedented opportunity for study...as long as scavengers like Amelia Radcliffe don't loot everything first.

It has been twenty-seven long years since the last sunrise. For nearly three decades, vampires have waged war against humanity; building their eternal empire even as they tear down our own. Now, only a few tiny sparks of light endure in a sea of darkness.

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.

Prince North’s home is in the sky, in a gleaming city held aloft by intricate engines, powered by technology. Nimh is the living goddess of her people on the Surface, responsible for providing answers, direction - hope. North’s and Nimh’s lives are entwined - though their hearts can never be. Linked by a terrifying prophecy and caught between duty and fate, they must choose between saving their people or succumbing to the bond that is forbidden between them.

Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general—also known as her tough-as-talons mother—has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you’re smaller than everyone else and your body is brittle, death is only a heartbeat away...because dragons don’t bond to “fragile” humans. They incinerate them. With fewer dragons willing to bond than cadets, most would kill Violet to better their own chances of success.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Bryce Quinlan had the perfect life-working hard all day and partying all night - until a demon murdered her closest friends, leaving her bereft, wounded, and alone. When the accused is behind bars but the crimes start up again, Bryce finds herself at the heart of the investigation. She'll do whatever it takes to avenge their deaths. Hunt Athalar is a notorious Fallen angel, now enslaved to the Archangels he once attempted to overthrow. His brutal skills and incredible strength have been set to one purpose - to assassinate his boss' enemies, no questions asked.

Ketterdam: a bustling hub of international trade where anything can be had for the right price - and no one knows that better than criminal prodigy Kaz Brekker. Kaz is offered a chance at a deadly heist that could make him rich beyond his wildest dreams. But he can't pull it off alone.

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.

Galaxy “Alex” Stern is the most unlikely member of Yale’s freshman class. Raised in the Los Angeles hinterlands by a hippie mom, Alex dropped out of school early and into a world of shady drug-dealer boyfriends, dead-end jobs, and much, much worse. In fact, by age twenty, she is the sole survivor of a horrific, unsolved multiple homicide. Some might say she’s thrown her life away. But at her hospital bed, Alex is offered a second chance: to attend one of the world’s most prestigious universities on a full ride. What’s the catch, and why her?

A girl named Rose is riding her new bike near her home in Deadwood, South Dakota, when she falls through the earth. She wakes up at the bottom of a square hole, its walls glowing with intricate carvings. But the firemen who come to save her peer down upon something even stranger: a little girl in the palm of a giant metal hand.

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.