In the realm of Kravan, children of lower-class citizens are raised in a prison-like structure called "The Tower" from birth until adulthood. Known as the Tethered, they are held in thrall until their powers reveal themselves around the time of their nineteenth birthday. Every year, the Tethered who are tested and deemed harmless are chosen to leave the Tower and join the outside world as servants to live in the households of the ruling class. Those who are deemed threats are taken away—and no one knows what happens to them, though they suspect the worst.

On her 17th birthday, Ashen Spencer is blindfolded and escorted to the massive, mysterious building known as the Arc to begin her year of training and testing in hopes that she can earn the Cure - a powerful drug given only to those deemed worthy to survive beyond their 18th birthday. Ashen has a chance to rise up from her former life of squalor and be granted a place in society, if the Panel - the mysterious group of powerful men and women in charge of the Arc - deems her year a success.

I never wanted to join the Queen Trials. But I’m not a victim and never have been. When a peacekeeper attacks me in a mine shaft, I fight back and win. Sort of. Because I made a mistake. I let him live. He knows my name. He’ll come after me, and he’ll kill the only person I love: my sweet, clueless brother Shellor. Nobody escapes from Locality Fourteen. There was only one way out that would protect us both: Enter the Queen Trials and become a star. Now, I’m plunged into a competition with dozens of gorgeous women from all over the kingdom.

Princess Madivia is broken. Her fae magic doesn’t work, her illness will kill her, and nobody knows she exists. So when the gods select her to leave her tower in the Ice Court and train to be a Valkyrie at Featherblade, she is sure they’ve made a terrible mistake. So is every other fae at Featherblade. All except the disgraced fire-fae Valkyrie, Kain. His burning gaze never leaves her. Nobody knows what he did to have his wings taken away, but he is as dangerous as the deadly world Maddy has been drawn into.

In the year 2043, with the nation destroyed by war, 17-year-old Kress and her conspiracy of friends embark on a dangerous cross-country mission to locate and recruit other Emergents, the name given to teenagers who have begun to exhibit strange evolutionary abilities. Not all Emergents are ready to accept who and what they are, however, and some have even started using their abilities for selfish or evil ends. Now Kress has to figure out who is friend and who is foe as she risks everything to expose the government’s lies and take down the tyrannical President Krug once and for all.

When the vicious Blood Brotherhood prince I’ve been hidden from all my life finally comes to claim me at my wedding and kills my heinous groom, he gives me one choice—stay here and take my chances with the unknown force raining poisoned arrows on my ceremony or leave with him as his bride. He’s the man I was raised to fear. He’s the most ruthless warrior in all of Malhaven. Few dare to even speak his name. But with my family’s safety on the line, I choose the unthinkable and agree to become his queen.

In a secret facility called the Processor, Kress and her fellow Recruits are subjected to endless weapons training, violent puzzles, dangerous war games, deadly escape rooms, and impossible Virtual Reality simulations. In the end, they’ll get answers to questions they’ll wish they never asked.

Every year, 100 of the most dangerous convicted criminals from the impoverished Ward are given a chance to earn their freedom and to live a life of luxury in Nova Heights, the walled-in city of glass and steel estates built into the side of a mountain. All that’s standing between the Hopefuls and a full pardon are the Amnesty Games, a seven-day barrage of challenges, puzzles, mazes, traps, obstacles, contests, and competitions.

Water is scarce. Deserts have taken over the land. Nuclear war has devastated humanity. Humans live in walled super cities to keep out the irradiated. The land that was formerly known as America is divided into kingdoms ruled by royal elites. Born into the lowest Echelon of the Kingdom of Phangloria, 16-year-old Zea Calico faces a life of hunger, thirst, and toil. The only way out of this drudgery is revolution, and Zea is desperate to help the cause.

Frey and Rafi are inseparable.... two edges of the same knife. But Frey's very existence is a secret. Frey is Rafi’s twin sister - and her body double. Their powerful father has many enemies, and the world has grown dangerous as the old order falls apart. So while Rafi was raised to be the perfect daughter, Frey has been taught to kill. Her only purpose is to protect her sister, to sacrifice herself for Rafi if she must.

Claren Greenwood is happy to play by the rules. After her mother is killed by rebels and her father is exiled, she will do whatever it takes to keep herself and her brother safe. But when Claren is identified as an Empath on her aptitude test, she's pulled closer to the Center and discovers the world she’s always known is a lie. With the help of a handsome and mysterious rebel, Claren learns there is more to life than what's inside the city walls. And the Leadership she's always trusted is dead set on destroying it.

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.

Before Amberly came to the palace, she was a four in love with a one. Before Maxon met the girl of his dreams, he was the boy of someone else's.

It should have been an easy task for a skilled mercenary like Rybet Waise. Simply break into the royal palace, and rescue her friend from the executioner’s block. But when Rybet accidentally qualifies for the Trials, she finds herself with little choice but to see them through. A thin veil of etiquette, elegance, and glamour hides the true nature of the Trials. Behind closed doors, they are brutal and bloody, and to fail means to forfeit her life. Thrust into the limelight and forced to compete with the Kingdom’s elite sweethearts, unlikely allies emerge and bonds are formed.

Humanity is on the verge of extinction. The government has a simple plan to save the species: mandatory genetic matching. But it's not so simple when it's your own life on the line. Sadie doesn't want to marry a stranger at nineteen, let alone figure out which of her seven matches is the best fit. Things get even worse when one of the other women in the program gets drugged and disappears for voicing a complaint. Can Sadie navigate the matching program and save her friend, or will she get swallowed up by the conspiracy herself?