Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity's survival, Liam, along with his friend Phoebe, will be on the last starliner to depart before Mars, like Earth before it, is destroyed. Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space and find out that the human race is just one of many in our universe locked in a dangerous struggle for survival.

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.

Who you want people to be makes you blind to who they really are. It’s been a year since Billie Flanagan — a Berkeley mom with an enviable life — went on a solo hike in Desolation Wilderness and vanished from the trail. Her body was never found, just a shattered cellphone and a solitary hiking boot. Her husband and teenage daughter have been coping with Billie’s death the best they can: Jonathan drinks as he works on a loving memoir about his marriage; Olive grows remote, from both her father and her friends at the all-girls school she attends.

In 1948, an alien starship crash-landed in the New Mexico desert and brought with it the key to mankind’s future. Code-named the Rho Project, the landing was shrouded in secrecy, and only the highest-ranking US government and military personnel knew it existed. Until now....

Seventeen-year-old Cardinal has escaped the virus that ravaged his town, leaving its victims alive but without their memories. Choosing to remain in the quarantined zone, he cares for a group of orphaned kids in a mountain camp with the help of the former brutal school bully, now transformed by the virus into his best friend. But then a strong-willed and mysterious young woman appears, and the closed-off world Cardinal has created begins to crumble.

The first day at a new school is tough for any kid, but it's especially scary when you're going to a school for spies. Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check.

Nothing can save Alex Sennefer's life. That's what all the doctors say, but his mother knows it's not true. She knows that the Lost Spells of the Egyptian Book of the Dead can crack open a door to the afterlife and pull her son back from the brink. But when she uses the spells, five evil ancients - the Death Walkers - are also brought back to life. An ancient evil has been unleashed. Mummies are awakening. New York is overrun with scorpions. And worst of all for Alex, his mom and the Lost Spells have both disappeared.

Jessa Whitworth knew she didn't belong in her ex-boyfriend Caleb's room. But she couldn't deny that she was everywhere - in his photos, his neatly folded T-shirts, even the butterfly necklace in his jeans pocket...the one she gave him for safekeeping on that day. His mother asked her to pack up his things - even though she blames Jessa for his accident. How could she say no? And maybe, just maybe, it will help her work through the guilt she feels about their final moments together.

This is a tale of missing persons. Madeleine and her mother have run away from their former life and settled in a rainy corner of Cambridge (in our world). Elliot, on the other hand, is in search of his father, who disappeared on the night his uncle was found dead. As Madeleine and Elliot move closer to unraveling their mysteries, they begin to exchange messages across worlds - through an accidental gap that hasn't appeared in centuries. But even greater mysteries are unfolding on both sides of the gap...

For Joshua Dread, middle school is proving to be, well, awkward. Not only do bullies pick on him, but do you see those supervillains over there trying to flood the world? The ones that everyone, including his best friend, Milton, are rooting for Captain Justice to take down? They're the Dread Duo, and they just happen to be his parents. As if trying to hide his identity wasn't hard enough, Joshua has started leaving a trail of exploding pencils and scorched handprints in his wake, and only Sophie, the new girl in town with a mysterious past, seems unsurprised.

Harrison Harrison - H2 to his mom - is a lonely teenager who's been terrified of the water ever since he was a toddler in California, when a huge sea creature capsized their boat, and his father vanished. One of the "sensitives" who are attuned to the supernatural world, Harrison, along with his mother, has just moved to the worst possible place for a boy like him.

It's been one year since graduation, and Beatrice Hartley has mixed feelings about joining her friends a weekend reunion. She's right to be worried. After a night out, they narrowly avoid a collision with a car on a deserted road. Or so they believe... Back at the mansion where they are staying, a mysterious man knocks on the door during a raging storm. He tells them that they must make a choice: one of them will live, and the rest will die. And the decision must be unanimous.

Can you outrun the past? Can you outlive the future? One time traveler must find out. Accidental time traveler Ben Travers is thrown into a multiverse of adventure in this action-adventure through past and future. This compilation includes: In Times Like These, The Chronothon, The Day After Never, and The Warp Clock. Now you can get them in one volume! All the adventure at a fraction of the price. Start your time travel adventure today, because yesterday may be too late!

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

A generation ago, continent-sized storms called hypercanes caused the Earth to flood. The survivors were forced to retreat deep underground and build a new society. This is the story that sixteen-year-old Jansin Nordqvist has heard all of her life.

Ricky Desmond has been through this all before. If he could just get through to his mother, he could convince her that he doesn't belong at Brookline. From the man who thinks he can fly to the woman who killed her husband, the other patients are nothing like him; all he did was lose his temper just a little bit, just the once. But when Ricky is selected by the sinister Warden Crawford for a very special program - a program that the warden claims will not cure him but perfect him - Ricky realizes that he may not be able to wait for his mom a second longer.

All of a sudden, the most ordinary things have taken on a sinister edge: a penny on a doormat. An odd man in a brown suit under a streetlamp. The persistent sound of an ax chopping in the middle of the night. He keeps telling himself that this is Seaham, a sleepy seaside town where nothing ever happens. Or at least nothing did, until his dad’s construction company opened up the cliff beneath the old—some say cursed—Langdon place.

Harrison Harrison - H2 to his mom - is a lonely teenager who's been terrified of the water ever since he was a toddler in California, when a huge sea creature capsized their boat, and his father vanished. One of the "sensitives" who are attuned to the supernatural world, Harrison, along with his mother, has just moved to the worst possible place for a boy like him.

Last spring, Nikki Beckett vanished, sucked into an underworld known as the Everneath. Now she’s returned - to her old life, her family, her boyfriend - before she’s banished back to the underworld... this time forever. She has six months before the Everneath comes to claim her, six months for good-byes she can’t find the words for, six months to find redemption, if it exists. Nikki longs to spend these precious months forgetting the Everneath and trying to reconnect with her boyfriend, Jack, the person most devastated by her disappearance - and the one person she loves more than anything.

Something happened that night in the woods at Camp Red Hawk. But all Joel and Leah can recall is sneaking out for a late hike with five camp friends and that only the two of them and their friend Mike returned. They have no memory of what happened to the others. No memory of anything after leaving the camp. In the years that follow, they realize something has changed inside of them. They are different from others in ways they never should be. In ways that send their lives down disturbing and terrifying paths.

In this fast-paced survival story set in Hawaii, electronics fail worldwide, the islands become completely isolated, and a strange starscape fills the sky. Leilani and her father embark on a nightmare odyssey from Oahu to their home on the Big Island. Leilani's epilepsy holds a clue to the disaster, if only they can survive as the islands revert to earlier ways.

The first day at a new school is tough for any kid, but it's especially scary when you're going to a school for spies. Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check.

When her boyfriend dies a most untimely death, Aura--who can see ghosts--is forced to reconsider her relationship with the living and dead in Shade.

How do you let go of something you've never had? Junior year for Brooke Winters is supposed to be about change. She's transferring schools, starting fresh, and making plans for college so she can finally leave her hometown, her family, and her past behind. But all of her dreams are shattered one hot summer afternoon when her mother is arrested for killing Brooke's abusive father. No one really knows what happened that day, if it was premeditated or self-defense, whether it was right or wrong. And now Brooke and her siblings are on their own.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

Welcome to the Sweet Tooth Ice Cream & Candy Shoppe, where the confections are a bit on the... unusual side. Rock candy that makes you weightless. Jawbreakers that make you unbreakable. Chocolate balls that make you a master of disguise. Four young friends - Nate, Summer, Trevor, and Pigeon - meet the grandmotherly Mrs. White, owner of the Sweet Tooth, and soon learn about the magical side effects of her candies.

In this collection of 13 fabulously chilling stories from 13 true masters of suspense, including five New York Times best sellers and a number of Edgar Award nominees, all edited by none other than R. L. Stine, nothing is what it seems. From cannibalistic children, to an unwitting date with a vampire, to a crush on a boy who just might be a werewolf, no scary stone is left unturned. A must-have for all fans of the genre!

If Cameron Vaux can’t find it, he will lose everything. “You will lose your mind. When it starts happening.... You must find the Book of Days.” When Cameron’s dying father delivers this message, he brushes it off. Lose his memory? He’s only 25. Find a book that doesn’t even exist? Foolishness. Nothing more than the product of his father’s dementia. But now, eight years after his father’s death, it’s happening. Chunks of Cameron’s life are just — gone.

Twenty-four hours. That's all it takes for the lives of two young people to be changed forever. Alex Chin has the world on a plate. A football hero and homecoming king with plenty of scholarship offers, his future looks bright. His tutor, Samantha Dixon, is preparing to graduate high school at the top of her class. She plans to turn her NASA internship into a career. When a football accident lands Alex in the hospital, his world is turned upside down.

Charlie Wilde knew her life would change forever when her family moved from the city of Chicago to the suburbs of Arizona...and that was before she found the bracelet. After putting it on, she notices odd things start to happen. Suddenly Charlie seems to have the speed of a cheetah and the strength of an elephant - and that's just the beginning. She would be thrilled about her transformation if she had any idea how to use the device or control her amazing powers.