Science For Teens

Antes, las personas morían por causas naturales. Existían asesinos invisibles llamados enfermedades, el envejecimiento era irreversible y se producían accidentes de los que no se podía regresar. Ahora, todo eso ha quedado atrás y sólo perdura una verdad muy simple: la gente tiene que morir. Y esa es la tarea de los segadores. Porque en un futuro donde la humanidad controla la muerte, ¿quién decide cuándo y cómo sembrarla? Citra y Rowan acaban de ser seleccionados como aprendices de segadores. ¿Su objetivo? Superar las pruebas de su mentor, sean las que sean.

As heiress to a powerful tech empire, 17-year-old Asa Almeida strives to prove she's more than her manipulative father's shadow. But when he uploads her rebellious sister's mind to an experimental brain, Asa will do anything to save her sister from reprogramming - including fleeing her predetermined future with her sister's digitized mind in tow. With a bounty on her head and a rogue AI hunting her, Asa's getaway ship crash-lands in the worst possible place: the neon-drenched outlaw paradise Requiem.

The greatest devastation in history. A secret that will alter humanity forever. Today, the true fight for survival begins. Deep within the remnants of the United States, Lyla Richards oversees a camp of 200 survivors. In a world where living is an everyday struggle and only through banding together can people survive, the arrival of the Unwelcome only made her job harder. Riley Quinn and Miles Jones have been raised by Lyla for the last five years. They are also one of the cursed: the children between the ages of 13 and 18 whom the Unwelcome kill on sight.

The second captivating installment of Aleron Kong's Chaos Seeds series. "We are life takers and heartbreakers," Richter shouted. "Let's go!" Richter and Sion are at it again! Even more of what you loved in the first book. Leveling, world building, awesome items, and what's that you say? Sure! Why not? What's a little necrophilia between friends? Join your favorite Chaos Seed as he answers the call of adventure and deals with the invaders, greedy dwarves, and a wood elf that keeps telling him he has a pretty mouth. Welcome back, my friends! Welcome back...to The Land.

Can the Electroclan pull together to defeat the Elgen once and for all? Michael, Taylor, Ostin, and the rest of the Electroclan go on their most dangerous mission yet as the thrilling action continues in this electrifying fifth installment of the New York Times best-selling series!

Darren Shan and his best friend, Steve, get tickets to the Cirque du Freak, a wonderfully gothic freak show featuring weird, frightening half human/half animals who interact terrifyingly with the audience. In the midst of the excitement, true terror raises its head when Steve recognizes that one of the performers - Mr. Crepsley - is a vampire! Steve confronts the vampire after the show finishes - but his motives are surprising!

Those wicked wizards are at it again! This time they are draining power from the Enchanted Forest. And that does not sit well with Mendanbar the King. On the advice of the witch Morwen, Mendanbar decides to consult with Kazul, the King of Dragons.

I've seen him on the news. Followed the stories about what happened in Ohio. John Smith, out there, on the run. To the world, he's a mystery. But to me . . . he's one of us.

In an evocative and fast-paced adventure on the high seas and on a faraway island an orphan boy named Peter and his mysterious new friend, Molly, overcome bands of pirates and thieves in their quest to keep a fantastical secret safe and save the world from evil.

What magical beings inhabit Earth’s waters? Some are as almost-familiar as the mer-people; some as strange as the thing glimpsed only as a golden eye in a pool at the edge of the Great Desert Kalarsham, where the mad god Geljdreth rules; or the unknowable, immense Kraken, dark beyond the darkness of the deepest ocean, who will one day rise and rule the world. Here are seven tales from the remarkable storytellers Robin McKinley and Peter Dickinson. Vividly imagined and written, they transform the simple element of water into something very powerful indeed.

The master has been unmasked. Rho's world has been turned upside down. With her loved ones in peril and all the stars set against her, can the young Guardian from House Cancer muster the strength to keep fighting? Or has she finally found her match in a master whose ambition to rule knows no limits?

Cassie McKinney has always believed in the Hive. Social media used to be out of control, after all. People were torn apart by trolls and doxxers. Even hackers - like Cassie's dad - were powerless against it. But then the Hive came. A better way to sanction people for what they do online. Cause trouble, get too many "condemns", and a crowd can come after you, teach you a lesson in real life. It's safer, fairer, and perfectly legal. Entering her senior year of high school, filled with grief over an unexpected loss, Cassie is primed to lash out.

Koren Bladewell's future was stolen from him, by wizards who chose to lie, to conceal the fact that Koren is a wizard. Crown princess Ariana Trehayme must find a way to become queen before her 16th birthday - before her indecisive mother allows all of Tarador to be conquered.

They called him Sven, the Shatterfist. The man who forgot. The man who remembered. In the bastion of the Adventurer's Twilight, he'll find the answers long since buried. He won't be alone. He's got family. Lloyd, the recruits. The friends he's made, and the friends he's kept. And most of all, Ash. Together they'll rebuild the life lost to time.

Once, Emi believed the heavenly gods were righteous and wise, while the earthly yokai spirits were bloodthirsty and evil. But with a traitorous deity poised to destroy her world, and the yokai standing as humanity's only defense, the lies of her upbringing have toppled to reveal a far more terrifying reality. Despite the looming threat, Emi can't escape her greatest distraction: Shiro, the fox yokai who has so deftly claimed her heart for his own.

Simon Snow is the worst Chosen One who's ever been chosen. That's what his roommate, Baz, says. And Baz might be evil and a vampire and a complete git, but he's probably right. Half the time, Simon can't even make his wand work, and the other half, he starts something on fire. His mentor's avoiding him, his girlfriend broke up with him, and there's a magic-eating monster running around, wearing Simon's face.

The DFZ, the metropolis formerly known as Detroit, is the world’s most magical city with a population of nine million and zero public safety laws. That’s a lot of mages, cybernetically enhanced chrome heads, and mythical beasties who die, get into debt, and otherwise fail to pay their rent. When they can’t pay their bills, their stuff gets sold to the highest bidder. That’s when they call me. I’m a Cleaner: a freelance mage employed by the DFZ to sort through the mountains of magical junk people leave behind. It’s not a pretty job, or a safe one....

There's something achingly familiar about Daniel Grigori. Mysterious and aloof, he captures Luce Price's attention from the moment she sees him on her first day at the Sword & Cross boarding school in sultry Savannah, Georgia. He's the one bright spot in a place where cell phones are forbidden, the other students are all screw-ups, and security cameras watch every move.

At the gates between worlds. In a war outside of time. He fights for us. This box set includes the entire trilogy: The Never Hero, The Never Paradox, and The Never Army.

Superweapon stud? That's what the doctor ordered. The Beastmasters are dwindling. The Mekanics are growing bolder. Everyone's desperate for the next magic bullet. With no more Chimerics arriving, there's only one way to make more Beastmasters. Me. I'm not against making baby Beastmasters with the hotties on my squad. The problem is that they're not telling me everything. The last time they tried this, things got pretty ugly... All hell's breaking loose. Secrets are spilling left and right. Even my alien cat Zoe can't keep all the facts straight. And everyone wants a piece of me. There's ...