Phantoms, massive beasts of nightmare, began terrorizing the world. At the same time four girls, the Effigies, appeared, each with the unique power to control a classical element. Since then, they have protected the world from the Phantoms. At the death of one Effigy, another is chosen, pulled from her normal life into the never-ending battle.When Maia unexpectedly becomes the next Fire Effigy, she resists her new calling. A quiet girl with few friends and almost no family, she was much happier to admire the Effigies from afar. Never did she imagine having to master her ability to control fire, to protect innocent citizens from the Phantoms, or to try bringing together the other three Effigies.But with the arrival of the mysterious Saul—a man who seems to be able to control the Phantoms using the same cosmic power previously only granted to four girls at a time—Maia and the other Effigies must learn to work together in a world where their celebrity is more important than their heroism.But the secrets Saul has, and the power he possesses, might be more than even they can handle…

    After all, the planet he’s orbiting is frozen and sunless, and the cities are dead. But when Toby wakes again, he’s surprised to discover a thriving planet, a strange and prosperous galaxy, and something stranger still—that he’s been asleep for 14,000 years.Welcome to the Lockstep Empire, where civilization is kept alive by careful hibernation. Here cold sleeps can last decades and waking moments mere weeks. Its citizens survive for millennia, traveling asleep on long voyages between worlds. Not only is Lockstep the new center of the galaxy, but Toby is shocked to learn that the Empire is still ruled by its founding family: his own.Toby’s brother Peter has become a terrible tyrant. Suspicious of the return of his long-lost brother, whose rightful inheritance also controls the lockstep hibernation cycles, Peter sees Toby as a threat to his regime. Now, with the help of a lockstep girl named Corva, Toby must survive the forces of this new Empire, outwit his siblings, and save human civilization.Karl Schroeder's Lockstep is a grand innovation in hard SF space opera.

    But his talents are viewed with suspicion in Cove, a steam-powered city built inside a mountain. In Cove, creativity is a crime and “invention” is a curse word. Kallista Babbage is a repair technician and daughter of the notorious Leo Babbage, whose father died in an explosion—an event the leaders of Cove point to as an example of the danger of creativity. Working together, Trenton and Kallista learn that Leo Babbage was developing a secret project before he perished. Following clues he left behind, they begin to assemble a strange machine that is unlike anything they’ve ever seen before. They soon discover that what they are building may threaten every truth their city is founded on—and quite possibly their very lives.

    Beyond the Forest lie the mountains of the Snowy Dark and a cold so bitter and a night so profound that no man has ever crossed it. The Oldest among the Family recount legends of a world where light came from the sky, where men and women made boats that could cross the stars. These ships brought us here, the Oldest say—and the Family must only wait for the travelers to return. But young John Redlantern will break the laws of Eden, shatter the Family and change history. He will abandon the old ways, venture into the Dark…and discover the truth about their world.Already remarkably acclaimed in the UK, Dark Eden is science fiction as literature; part parable, part powerful coming-of-age story, set in a truly original alien world of dark, sinister beauty--rendered in prose that is at once strikingly simple and stunningly inventive.

    Unconscious. Unharmed. Unclaimed. Unidentified.Lost: Everything.J.D. may not know the truth about her past, but she knows she's in danger, and she can't shake the dark visions haunting her dreams. She won't be safe until she figures out who she is and where she came from. She can trust no one, not even herself--especially not herself. Because it turns out there's one thing even more terrible than forgetting her past: remembering.

    operation (Witness Anonymous Relocation Program). He and young FBI Agent Chevie Savano are forced to flee terrifying assassin-for-hire Albert Garrick, who pursues Riley through time and will not stop until he has hunted him down. Barely staying one step ahead, Riley and Chevie must stay alive and stop Garrick returning to his own time with knowledge and power that could change the world forever.

    Magically flying great distances and only revealing their messages to the intended recipient, telling darts haven't been used for years, and no one knows how they work. So when two strangers show up looking for the dart, Ariel and Zeke realize that their discovery is not only interesting, but very dangerous. The telling dart and the strangers lead them on a journey more perilous and encompassing than either can imagine, and in the process both Zeke and Ariel find their true calling.The Farwalker's Quest is a beautifully written, well-paced fantasy that fans of The Edge Chronicles and Nancy Farmer's The Sea of Trolls will enjoy.

    And it isn’t even the strangest thing to happen to him that week.Nick and his Dungeons & Dragons-playing friends are used to living in their imaginations. But when a new girl, Mia, joins the group and reality becomes weirder than the fantasy world they visit in their weekly games, none of them are prepared for what comes next. A strange—yet curiously familiar—man is following Nick, with abilities that just shouldn’t exist. And this man bears a cryptic message: Mia’s in grave danger, though she doesn’t know it yet. She needs Nick’s help—now.He finds himself in a race against time to unravel an impossible mystery and save the girl. And all that stands in his way is a probably terminal disease, a knife-wielding maniac and the laws of physics.Challenge accepted.

    Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course.Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it. First stop: Spain, 1492, where a sailor named Christopher Columbus is about to be thrown overboard in a deadly mutiny!

    She wakes up at the bottom of a square-shaped hole, its walls glowing with intricate carvings. But the firemen who come to save her peer down upon something even stranger: a little girl in the palm of a giant metal hand.Seventeen years later, the mystery of the bizarre artifact remains unsolved - the object's origins, architects, and purpose unknown.But some can never stop searching for answers.Rose Franklin is now a highly trained physicist leading a top-secret team to crack the hand's code. And along with her colleagues, she is being interviewed by a nameless interrogator whose power and purview are as enigmatic as the relic they seek. What's clear is that Rose and her compatriots are on the edge of unravelling history's most perplexing discovery-and finally figuring out what it portends for humanity. But once the pieces of the puzzle are in place, will the result be an instrument of lasting peace or a weapon of mass destruction?

    Twelve-year-old orphan Max Einstein (like Albert Einstein himself) is not your typical genius. Max hacks the computer system at NYU in order to attend college courses (even though she hates tests), builds homemade inventions to help the homeless, and plays speed chess in the park. Her not-so-normal life is crazy but predictable until...Max is recruited by a mysterious organization! Their mission: solve some of the world's toughest problems using science. She's helped by a diverse group of young geniuses from around the globe as they invent new ways to power the farthest reaches of the planet. But that's only if the sinister outfit known only as The Corporation doesn't get to her first...Max Einstein is a heroine for the modern age and will be looked up to by readers for generations to come.

    Not speaking French at a school full of snobby French girls is bad enough, but Maya believes there is something sinister going on in her new city. A purple-eyed man follows Maya and her younger brother, James. Statues seem to have Maya’s face. And an eerie cabinet filled with mysterious colored bottles calls to her. When James becomes the target of dark forces, Maya decides she must answer the call of the Cabinet of Earths, despite the danger.

    To unify the divided people, Conner, a nobleman of the court, devises a cunning plan to find an impersonator of the king's long-lost son and install him as a puppet prince. Four orphans are recruited to compete for the role, including a defiant boy named Sage. Sage knows that Conner's motives are more than questionable, yet his life balances on a sword's point—he must be chosen to play the prince or he will certainly be killed. But Sage's rivals have their own agendas as well.As Sage moves from a rundown orphanage to Conner's sumptuous palace, layer upon layer of treachery and deceit unfold, until finally, a truth is revealed that, in the end, may very well prove more dangerous than all of the lies taken together.

    Her mother, the director of the Mars Colony, derails Polly's plans when she sends Polly and her genius twin brother, Charles, to Galileo Academy on Earth—the one planet Polly has no desire to visit. Ever.Homesick and cut off from her desired future, Polly cannot seem to fit into the constraints of life on Earth, unlike Charles, who deftly maneuvers around people and sees through their behavior to their true motives. Strange, unexplained, dangerous coincidences centered on their high-profile classmates begin piling up. Charles may be right—there's more going on than would appear, and the stakes are high. With the help of Charles, Polly is determined to find the truth, no matter the cost.

    Soon after, they replaced humans at the top of the food chain. The only way to survive was to move into underground compounds. . . .Five years ago, Sky Mundy’s father vanished from North Compound without a trace. Now she has just stumbled on a clue that not only suggests his disappearance is just the tip of an even larger mystery, but also points directly to the surface. To find her dad—and possibly even save the world—Sky and her best friend, Shawn, must break out of their underground home and venture topside to a land reclaimed by nature and ruled by dinosaurs.Perfect for fans of Brandon Mull, Lisa McMann, and Rick Riordan, this exhilarating debut novel follows two courageous friends who must survive in a lost world that’s as dangerous as they’ve always feared but also unlike anything they could ever have imagined.