They are recruited by an agency that no one knows exists, with only one purpose—to fix broken history. Because time travel is here, and there are those who would go back in time and change the past. That’s why the TimeRiders exist: to protect us. To stop time travel from destroying the world...

    As Mark searches for a pathway back to his own time on Earth, he must make a new life in a new world. His encounters with primitive tribes bring the joy of human bonds, but violence and war as well—and, finally, a contest in which he discovers his own startling powers.

    In fact, the only bond he shares with his eccentric father is a passion for archaeological excavation. So when his dad mysteriously vanishes, Will is compelled to dig up the truth behind his disappearance. He unearths the unbelievable: a subterranean society that time forgot. "The Colony" has existed unchanged for a century, but it's no benign time capsule of a bygone era. Because the Colony is ruled by a merciless overclass, the Styx. Will must free his father--is he also about to ignite a revolution?

    On that Sad Birthday, the child is the object of an obscene harvest resulting in the construction of a machine like creature whose sole purpose is to kill.The mysterious Shade — once a man, but now more like the machines he fights — recruits the few children fortunate enough to escape. With luck, cunning, and skill, four of Shade's children come closer than any to discovering the source of the Overlords' power — and the key to their downfall. But the closer the children get, the more ruthless Shade seems to become ...

    An abandoned orphanage. A strange collection of very curious photographs. It all waits to be discovered in Miss Peregrine's Home for Peculiar Children, an unforgettable novel that mixes fiction and photography in a thrilling reading experience. As our story opens, a horrific family tragedy sets sixteen-year-old Jacob journeying to a remote island off the coast of Wales, where he discovers the crumbling ruins of Miss Peregrine's Home for Peculiar Children. As Jacob explores its abandoned bedrooms and hallways, it becomes clear that the children were more than just peculiar. They may have been dangerous. They may have been quarantined on a deserted island for good reason. And somehow-impossible though it seems-they may still be alive. A spine-tingling fantasy illustrated with haunting vintage photography, Miss Peregrine's Home for Peculiar Children will delight adults, teens, and anyone who relishes an adventure in the shadows.

    Ignited by a spark.Kansas, 2065. Adri has secured a slot as a Colonist—one of the lucky few handpicked to live on Mars. But weeks before launch, she discovers the journal of a girl who lived in her house over a hundred years ago, and is immediately drawn into the mystery surrounding her fate. While Adri knows she must focus on the mission ahead, she becomes captivated by a life that’s been lost in time…and how it might be inextricably tied to her own. Oklahoma, 1934. Amidst the fear and uncertainty of the Dust Bowl, Catherine fantasizes about her family’s farmhand, and longs for the immortality promised by a professor at a traveling show called the Electric. But as her family’s situation becomes more dire—and the suffocating dust threatens her sister’s life—Catherine must find the courage to sacrifice everything she loves in order to save the one person she loves most. England, 1919. In the recovery following the First World War, Lenore struggles with her grief for her brother, a fallen British soldier, and plans to sail to America in pursuit of a childhood friend. But even if she makes it that far, will her friend be the person she remembers, and the one who can bring her back to herself? While their stories spans thousands of miles and multiple generations, Lenore, Catherine, and Adri’s fates are entwined.

    The world as she once knew it is gone, ravaged by a nuclear war that has taken everyone from her. For the past year, she has lived in a remote valley with no evidence of any other survivors. But the smoke from a distant campfire shatters Ann's solitude. Someone else is still alive and making his way toward the valley. Who is this man? What does he want? Can he be trusted? Both excited and terrified, Ann soon realizes there may be worse things than being the last person on Earth.

    The son of a time-traveling Recorder from 2354 AD and a gladiator living in Rome in 95 AD, Far's birth defies the laws of nature. Exploring history himself is all he's ever wanted, and after failing his final time-traveling exam, Far takes a position commanding a ship with a crew of his friends as part of a black market operation to steal valuables from the past. But during a heist on the sinking Titanic, Far meets a mysterious girl who always seems to be one step ahead of him. Armed with knowledge that will bring Far's very existence into question, she will lead Far and his team on a race through time to discover a frightening truth: History is not as steady as it seems.

    When diphtheria strikes the village and the children of Clifton start dying, Jessie's mother sends her on a dangerous mission to bring back help. But beyond the walls of Clifton, Jessie discovers a world even more alien and threatening than she could have imagined, and soon she finds her own life in jeopardy. Can she get help before the children of Clifton, and Jessie herself, run out of time?

    Together, he and Cathaline--his friend and mentor--track down the fearful creatures that lurk in the Old Quarter of London. It is on one of these hunts that he first encounters Alaizabel Cray. Alaizabel is half-crazed, lovely, and possessed.Whatever dreadful entity has entered her soul has turned her into a strange and unearthly magnet--attracting evil and drawing horrors from every dark corner. Cathaline and Thaniel must discover its cause--and defend humanity at all costs.

    Beginning with the cave-drawings of a young girl on the brink of creating the earliest form of writing, Sedgwick traverses history, plunging into the seventeenth century witch hunts and a 1920s insane asylum where a mad poet's obsession with spirals seems to be about to unhinge the world of the doctor trying to save him. Sedgwick moves beyond the boundaries of historical fiction and into the future in the book's final section, set upon a spaceship voyaging to settle another world for the first time. Merging Sedgwick's gift for suspense with science- and historical-fiction, Ghosts of Heaven is a tale is worthy of intense obsession.

    It travels 17,500 miles an hour, making one full orbit every ninety minutes. It’s also the only home that fifteen-year-old Leo and two other teens have ever known.Born and raised on Moon 2, Leo and the twins, Orion and Libra, are finally old enough and strong enough to endure the dangerous trip to Earth. They’ve been “parented” by teams of astronauts since birth and have run countless drills to ready themselves for every conceivable difficulty they might face on the flight.But has anything really prepared them for life on terra firma? Because while the planet may be home to billions of people, living there is more treacherous than Leo and his friends could ever have imagined, and their very survival will mean defying impossible odds.

    He's sent to the Clarissa Frayne Institute for Parentally Challenged Boys, Freight class. At Clarissa Frayne, the boys are put to work by the state, testing highly dangerous products. At the end of most days, they are covered with burns, bruises, and sores. Cosmo realizes that if he doesn't escape, he will die at this so-called orphanage. When the moment finally comes, Cosmo seizes his chance and breaks out with the help of the Supernaturalists, a motley crew of kids who all have the same special ability as Cosmo-they can see supernatural Parasites, creatures that feed on the life force of humans. The Supernaturalists patrol the city at night, hunting the Parasites in hopes of saving what's left of humanity in Satellite City. Or so they think. The Supernaturalist soon find themselves caught in a web far more complicated than they'd imagined, when they discover a horrifying secret that will force them to question everything they believe in. Eoin Colfer has created an eerie and captivating world-part Blade Runner, part futuristic Dickens-replete with non-stop action

    Only one is coming back. It's been more than forty years since NASA sent the first men to the moon, and to grab some much-needed funding and attention, they decide to launch an historic international lottery in which three lucky teenagers can win a week-long trip to moon base DARLAH 2 - a place that no one but top government officials even knew existed until now. The three winners, Antoine, Midori, and Mia, come from all over the world. But just before the scheduled launch, the teenagers each experience strange, inexplicable events. Little do they know that there was a reason NASA never sent anyone back there until now-a sinister reason. But the countdown has already begun. . .

    Lizzie, Ella, and Betsey take turns going to school, pursuing extracurriculars, and even dating.Then Lizzie meets Sean Kelly, the one person who can help her realize she's not a carbon copy of the others - she's an individual with unique dreams and desires. Digging deeper into her background and her mother's role in her life, Lizzie begins to dismantle the delicate balance of an unusual family that only science could have created.