In Los Angeles, Raymond and Mia James are about to lose their house. Within days, none of it will matter.When Vanessa dies of the flu, Walt is devastated. But she isn't the last. The virus quickly kills billions, reducing New York to an open grave and LA to a chaotic wilderness of violence and fires. As Raymond and Mia hole up in an abandoned mansion, where they learn to function without electricity, running water, or neighbors, Walt begins an existential walk to LA, where Vanessa had planned to move when she left him. He expects to die along the way.Months later, a massive vessel appears above Santa Monica Bay. Walt is attacked by a crablike monstrosity in a mountain stream. The virus that ended humanity wasn't created by humans. It was inflicted from outside. The colonists who sent it are ready to finish the job--and Earth's survivors may be too few and too weak to resist.

    Book One of the Mystic City Novels.Aria Rose, youngest scion of one of Mystic City's two ruling rival families, finds herself betrothed to Thomas Foster, the son of her parents' sworn enemies. The union of the two will end the generations-long political feud - and unite all those living in the Aeries, the privileged upper reaches of the city, against the banished mystics who dwell below in the Depths.But Aria doesn't remember falling in love with Thomas; in fact, she wakes one day with huge gaps in her memory. And she can't conceive why her parents would have agreed to unite with the Fosters in the first place.Only when Aria meets Hunter, a gorgeous rebel mystic from the Depths, does she start to have glimmers of recollection - and to understand that he holds the key to unlocking her past. The choices she makes can save or doom the city - including herself.

    There are boys—but every one of them vanishes at midnight on his eighteenth birthday. The ground shakes, the wind howls, a blinding light descends…and he’s gone.They call it the Heist.Gray Weathersby’s eighteenth birthday is mere months away, and he’s prepared to meet his fate–until he finds a strange note from his mother and starts to question everything he’s been raised to accept: the Council leaders and their obvious secrets. The Heist itself. And what lies beyond the Wall that surrounds Claysoot–a structure that no one can cross and survive.Climbing the Wall is suicide, but what comes after the Heist could be worse. Should he sit back and wait to be taken–or risk everything on the hope of the other side?

    and a shocking discovery...will change humanity forever.In the near future, a new ice age has begun.Humanity stands on the brink of extinction.Desperate for answers, scientists send probes into the solar system to take readings. Near Mars, a probe spots a mysterious object drifting toward the Sun. Is it the cause of the ice age? Or could it be our only hope of survival?With time running out, NASA launches an international mission to make contact with the object. But it isn’t what anyone thought. In the dark of space, alone, the team makes a shocking discovery that will change the course of human history—and possibly end it.

    One minute, people are going about their lives, and the next—not. In the wake of the inexplicable purge, only a handful of young misfits remains.When it all went down, “Wizard of Odd” Dev Brinkman was seeking shelter from the taunts of his classmates. Goth girl Lucy Abernathy had lost her best friend and had no clue where to turn. And Twinkie-loving quarterback “Marcus” Haddad was learning why you never discuss politics and religion in polite company—or online.As if life when you’re sixteen isn’t confusing enough, throw in the challenges of postapocalyptic subsistence, a case of survivor’s guilt turned up to seven billion, and the small task of rebuilding humankind…No one said doomsday would be a breeze. But for Dev, Lucy, and Marcus, the greatest hope—and greatest threat—will come when they find each other.

    . . .Tane and Rebecca aren’t sure what to make of it—a sequence of 1s and 0s, the message looks like nothing more than a random collection of alternating digits. Working to decode it, however, Tane and Rebecca discover that the message contains lottery numbers . . . lottery numbers that win the next random draw! Suddenly Tane and Rebecca are rich, but who sent the numbers? And why? More messages follow, and slowly it becomes clear—the messages are being sent back in time from Tane and Rebecca’s future. Something there has gone horribly wrong, and it’s up to them to prevent it from happening. As they follow the messages’ cryptic instructions, Tane and Rebecca begin to suspect the worst—that the very survival of the human race may be at stake.

    The RIFT Saga begins here.In the ruins of what was once North America lays the Covenant, a nation forged by the iron will of the Moon people, who descended from their dusty refuge on the Moon after the Fall. The Moon people are wealthy, ruled by a strong government who protects its citizens from the dangers from outside their borders. Their greatest achievement is having learned the secret of immortality, and every citizen has the opportunity to live nearly forever if they choose to, a life of riches and abundance.The English are the descendants of the original inhabitants of this place, and they live very different lives from that of the Moon people. They only live to serve the greater good, and citizenship is something few have the opportunity to earn. At the age of fifty all non-citizens are subjected to mandatory euthanasia. In order to maintain a sustainable society, they are told.Every year a number of girls and boys at the age of eighteen are selected for Service to the State. The brightest and most talented are sent to become Students. The strong, the fighters and the athletes become Janissaries, a band of soldiers protecting the northern border from the enemies of the Covenant. The Wardens, a secretive organization known to operate far to the west, near the Rift, which makes up the border to the wastelands, sometimes choses one or two initiates, but nobody knows what becomes of them. And then there is the Corpus, where the whip rules and backs are bent.Those who complete their Service, may become citizens. And although they will never be equal to the Moon people, they will have access to all the riches and opportunities granted by the Covenant leadership to its citizens.As Sue is nearing Selection Day, she secretly hopes to be chosen, despite having to leave her mother and brother behind. She doesn't crave glory or wealth though. A man or woman with citizen status can do a lot of good, and although few return to their home towns, Sue hopes to return to give her family a better life on the other side of Service.But the Covenant is rotten to the core, and as she begins to learn its secrets, Sue must question everything she has always taken for granted. Soon she will find herself in dire peril, for she has seen the truth and there will be no turning back after that...This science fiction dystopian trilogy is set more than two centuries after the events of Exodus, in a future dystopian society forged from the ashes of global disaster."Mr. Christensen has absolutely found his genre, and I hope he keeps the stories coming!"

    Selected from hundreds of children for her ideal genes, all her life she’s thought that everything was perfect; her world. Her people. The Law.But when Gavin Hunter, a Surface Dweller, accidentally stumbles into their secluded little world, she’s forced to come to a startling realization: everything she knows is a lie. Her memories have been altered. Her mind and body aren’t under her own control. And the person she knows as Mother is a monster.Together with Gavin she plans her escape, only to learn that her own mind is a ticking time bomb... and Mother has one last secret that will destroy them all.

    The ruined streets below are hunting grounds for rogue robots and Eaters.She understands why she’s never met a human besides her father. She even understands why he forbids her to look for medicine for her dying pet. But the thing is, it’s not her real father giving the orders…It’s his memories.Before he died, Frost’s father uploaded his consciousness into their robot servant. But the technology malfunctioned, and now her father fades in and out. So when Frost learns that there might be medicine on the other side of the ravaged city, she embarks on a dangerous journey to save the one living creature she loves.With only a robot as a companion, Frost must face terrors of all sorts, from outrunning the vicious Eaters…to talking to the first boy she’s ever set eyes on. But can a girl who’s only seen the world through books and dusty windows survive on her own? Or will her first journey from home be her last?