There is no sun. There is no moon. There is only gray - the smog belched from coal-fueled factories. The Workers silently shuffle to their assigned posts. The Outcasts watch from the alley walls. On every corner, a Watcher stands stone-faced, a rifle in hand. This is the only life that exists. Beyond the mountains is a dream. But dreams are foolish in a place like this. Hannah has spent 19 years dodging Watchers and doing as she is told. When she wakes to the valley exploding in revolution, Hannah is forced onto a dangerous path, where nothing is what she believed.

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.

In the future, mankind has learned to manipulate their DNA, harnessing only the good genes, like intelligence, strength, and height. They called this prime DNA and humans rushed to get these new pDNA injections, which gave them superhuman-like qualities. Centuries later, however, their DNA became so engineered that humans rarely lived past the age of 30, thanks to a new deadly disease called the Kiss. The only cure is to receive an injection of oDNA, DNA from an Original human that hasn't been genetically altered. Problem is there aren't many Originals left.

Two-hundred years after the world ends, their future begins. 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.

When fifteen-year-old Clary Fray heads out to the Pandemonium Club in New York City, she hardly expects to witness a murder - much less a murder committed by three teenagers covered with strange tattoos and brandishing bizarre weapons. Then the body disappears into thin air. It's hard to call the police when the murderers are invisible to everyone else and when there is nothing - not even a smear of blood - to show that a boy has died. Or was he a boy?

Tally lives in a world where your 16th birthday brings aesthetic perfection: an operation that erases all your flaws, transforming you from an "Ugly" into a "Pretty". She is on the eve of this important event and cannot wait for her life to change. As well as guaranteeing supermodel looks, life as a Pretty seems to revolve around having a good time. But then she meets Shay, who is also 15 - but with a very different outlook on life.

In the Society, Officials decide. Who you love. Where you work. When you die. Cassia has always trusted the Society’s choices. And when her best friend appears on the Matching screen, she is certain he’s the one - until she sees another face flash for an instant before the screen fades to black. Now she is faced with impossible choices: Between Xander and Ky, between the only life she’s ever known and a path no has dared to follow...between perfection and the truth.

What was once the Western United States is now home to the Republic, a nation perpetually at war with its neighbors. Born into an elite family in one of the Republic's wealthiest districts, 15-year-old June is a prodigy being groomed for success in the Republic's highest military circles. Born into the slums, 15-year-old Day is the country's most wanted criminal. But his motives may not be as malicious as they seem. From very different worlds, June and Day have no reason to cross paths - until the day June's brother, Metias, is murdered and Day becomes the prime suspect.

The entire numbers game trilogy - In one boxed set! Book One: Numbers Game: In futuristic America, everyone wears a number. Treena's as ready for Rating Day as anyone can be - she's a top contender in Level Three school and has a highly-rated boyfriend. But when her number is announced, it shocks everyone. Book Two: Numbers Ignite: Treena and Vance think they’ve escaped the numbers game forever. They’re wrong. Book Three: Numbers Raging: Finally together, Treena and Vance must navigate the political undercurrents of a strange new country.

Ever since a devastating nuclear war, humanity has lived on spaceships far above Earth's radioactive surface. Now, one hundred juvenile delinquents - considered expendable by society - are being sent on a dangerous mission: to recolonize the planet. It could be their second chance at life...or it could be a suicide mission. Clarke was arrested for treason, though she's haunted by the memory of what she really did. Wells, the chancellor's son, came to Earth for the girl he loves - but will she ever forgive him?

As niece of the king, Elise Lysander cares about two things: sneaking into gambling dens, and avoiding an advantageous marriage at all costs. When her uncle holds the life of her deathly ill father over her head, reluctantly, Elise puts her fate into the hands of Legion Grey, the handsome and mysterious dowry negotiator. He may be arrogant and infuriating, but soon Legion incites a blistering, forbidden passion she can’t ignore.

Charlie Hall has never found a lock she couldn’t pick, a book she couldn’t steal, or a bad decision she wouldn’t make. She's spent half her life working for gloamists, magicians who manipulate shadows to peer into locked rooms, strangle people in their beds, or worse. Gloamists guard their secrets greedily, creating an underground economy of grimoires. And to rob their fellow magicians, they need Charlie Hall.

Marguerite Caine grew up surrounded by cutting-edge scientific theories, thanks to her brilliant physicist parents. Yet nothing is more astounding than her mother's latest invention - a device called the Firebird, which allows people to leap into alternate dimensions.

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.

Having saved humanity from an invading alien armada, Ian Lotus finds himself not rewarded but once again on the run -- struggling to stay one step ahead of a galactic government intent on his capture.