But when Charlotte's scientist father makes an astonishing discovery that the Germans will covet for themselves, Charlotte is faced with an impossible choice between danger and safety. Should she remain with her friend or journey to another time and place? Her split-second decision has huge consequences, and when she finds herself alone in the world, unsure of Kitty's fate, she knows that somehow, some way, she must find her way back to her friend. Written in the spirit of classic time-travel tales, this book is an imaginative and heartfelt tribute to the unbreakable ties of friendship.

    With the help of her best friend, Charlie, and his grandpa Josh, Margaret goes back to a time when Judge Biggs was a young boy and tries to prevent the chain of events that transformed him into a corrupt, jaded man.

    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 had no idea they were so dangerous.   Boston, 1891. Sophia Tims comes from a family of explorers and cartologers who, for generations, have been traveling and mapping the New World—a world changed by the Great Disruption of 1799, when all the continents were flung into different time periods.  Eight years ago, her parents left her with her uncle Shadrack, the foremost cartologer in Boston, and went on an urgent mission. They never returned. Life with her brilliant, absent-minded, adored uncle has taught Sophia to take care of herself. Then Shadrack is kidnapped. And Sophia, who has rarely been outside of Boston, is the only one who can search for him. Together with Theo, a refugee from the West, she travels over rough terrain and uncharted ocean, encounters pirates and traders, and relies on a combination of Shadrack’s maps, common sense, and her own slantwise powers of observation. But even as Sophia and Theo try to save Shadrack’s life, they are in danger of losing their own.The Glass Sentence plunges readers into a time and place they will not want to leave, and introduces them to a heroine and hero they will take to their hearts. It is a remarkable debut.

    Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool . . . who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore the unfathomable mysteries of the world around him.

    His parents are members of the Septemberist Society, whose job it is to protect humanity from hideous giants called the Mangleborn. Trapped in underground prisons for a thousand years, the giant monsters have been all but forgotten -- but now they are rising again as the steam-driven America of 1875 rediscovers electricity, the lifeblood of the Mangleborn.When his parents and the rest of The Septemberists are brainwashed by one of the evil creatures, Archie must assemble a team of seven young heroes to save the world.

    'A tale to freeze the blood,' was the only rule. Switzerland, 1816. On a stormy summer night, Lord Byron and his guests are gathered round the fire.Felix, their serving boy, can't wait to hear their creepy tales.Yet real life is about to take a chilling turn - more chilling than any tale.Frantic pounding at the front door reveals a stranger, a girl covered in the most unusual scars.She claims to be looking for her sister, supposedly snatched from England by a woman called Mary Shelley.Someone else has followed her here too, she says. And the girl is terrified. This breathtaking new book from Emma Carroll, the critically-acclaimed author of Frost Hollow Hall, The Girl Who Walked On Air, In Darkling Wood and The Snow Sister, is a deliciously creepy story inspired by the creation of Frankenstein, and is brought to life by a leading talent in children's literature.

    But Scott's dad is the only one in the neighborhood who actually prepares for the worst. As the neighbors scoff, he builds a bomb shelter to hold his family and stocks it with just enough supplies to keep the four of them alive for two critical weeks. In the middle of the night in late October, when the unthinkable happens, those same neighbors force their way into the shelter before Scott's dad can shut the door. With not enough room, not enough food, and not enough air, life inside the shelter is filthy, physically draining, and emotionally fraught. But even worse is the question of what will—and won't—remain when the door is opened again. Internationally best-selling author Todd Strasser has written his most impressive and personal novel to date, ruthlessly yet sensitively exploring the terrifying what-ifs of one of the most explosive moments in human history.

    When Larissa Renaud starts receiving eerie phone calls on a disconnected old phone in her family's antique shop, she knows she's in for a strange summer. A series of clues leads her to the muddy river banks, where clouds of fireflies dance among the cypress knees and cattails each evening at twilight. The fireflies are beautiful and mysterious, and they take her on a magical journey through time, where Larissa learns secrets about her family's tragic past--deadly, curse-ridden secrets that could harm the future of her family as she knows it. It soon becomes clear that it is up to Larissa to prevent history from repeating itself and a fatal tragedy from striking the people she loves. With her signature lyricism, Kimberley Griffiths Little weaves a thrilling tale filled with family secrets, haunting mystery, and dangerous adventure.

    Readers who loved Percy Jackson will be eager to follow our heroes on this six-book, six-novella journey and excited to enter a sweepstakes to participate in a real-life scavenger hunt hosted by Tony Abbott that lets the reader become part of the story.It all began when four friends-Wade, Lily, Darrel, and Becca-received a strange, coded email from Wade's uncle Henry shortly before the old man's sudden death. They set off for Germany to attend the funeral with Wade's father, Roald, and discover that Uncle Henry left them yet another baffling message that they suspect is the key to figuring out how and why he died.The message leads to a clue, and the more clues they discover, the farther they travel down a treacherous path toward an ancient, guarded secret. Soon they are in a breathless race across the globe, running for their lives as a dangerous shadow organization chases them around every corner. Their only hope of saving themselves-and the world that they know-is to find twelve magical relics from a hidden past that will unlock the Copernicus Legacy.

    Until the autumn of 1886, when five babies are left in outrageous circumstances: one in a tin toolbox, one in a coal bucket, one in a picnic hamper, one in a wheat sack, and finally, one in a coffin-shaped basket.Those babies were Lotta, Egg, Fenna, Sem and Milou; who were swiftly and firmly deemed 'the unadoptables'. Twelve years on the children still have each other - until the fateful night a most sinister gentleman appears and threatens to tear them apart. The gang decide to make a daring escape, fleeing the frozen canals of Amsterdam for an adventure packed with puppets and pirate ships, clock-makers and cruel villains - and with only a scrap of a clue to guide them to their mysterious new home . . .

    Miseries. Mysteries . . .From the moment Horace F. Andrews sees the sign from the bus—a sign with his own name on it—everything changes. The sighting leads him underground, to the House of Answers, a hidden warehouse full of mysterious objects. But there he finds only questions. What is this curious place? Who are the strange, secretive people who entrust him with a rare and immensely powerful gift? And what is he to do with it?Horace quickly discovers that nothing is ordinary anymore. From the sinister man lurking around every corner to the gradual mastery of his newfound abilities to his encounters with Chloe—a girl who has an astonishing talent of her own—Horace follows a path that puts him in the middle of a centuries-old conflict.Horace’s journey leads him and Chloe deep into a place where every decision they make could have disastrous consequences. Most important, it links Horace to the Box of Promises and a future he never saw coming.With an action-packed blend of science fiction and fantasy, Ted Sanders creates a world where everything is more than it seems and where friendship and loyalty have the greatest power of all.

    Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher—a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining. By the present day, however, the puzzle has never been solved, and the greatest mystery of the modern world is little more than a tourist attraction.Tess and Theo Biedermann and their friend Jaime Cruz live in a Morningstarr apartment house—until a real estate developer announces that the city has agreed to sell him the five remaining Morningstarr buildings. Their likely destruction means the end of a dream long-held by the people of New York. And if Tess, Theo and Jaime want to save their home, they have to prove that the Old York Cipher is real. Which means they have to solve it.

    Otto and Sheed are the local sleuths in their zany Virginia town, masters of unraveling mischief using their unmatched powers of deduction. And as the summer winds down and the first day of school looms, the boys are craving just a little bit more time for fun, even as they bicker over what kind of fun they want to have. That is, until a mysterious man appears with a camera that literally freezes time. Now, with the help of some very strange people and even stranger creatures, Otto and Sheed will have to put aside their differences to save their town—and each other—before time stops for good.

    Nick and his younger sister, Kate, live in a lighthouse on the smallest of the Channel Islands. Nick and Kate come to the aid of their father who is engaged in a desperate war of espionage with German U-boat wolf packs that are circling the islands. The information they provide to Winston Churchill is vital as he tries to warn England of the imminent Nazi invasion.One day Nick discovers an old sea chest, left for him by his ancestor, Captain Nicholas McIver of the Royal Navy. Inside, he finds a time machine and a desperate plea for help from the captain. He uses the machine to return to the year 1805. Captain McIver and, indeed, Admiral Nelson's entire fleet are threatened by the treachery of the French and the mutinous Captain Billy Blood. Nick must reach deep inside, using his wits, courage, and daring to rescue the imperiled British sailors.His sister, Kate, meanwhile, has enlisted the aid of two of England's most brilliant "scientific detectives," Lord Hawke and Commander Hobbes, to thwart the invading Nazis. She and Nick must face England's underwater enemies, a challenge made all the more difficult when they discover the existence of Germany's supersecret submarine.In this striking adventure for readers of all ages, Nick must fight ruthless enemies across two different centuries, on land and sea, to help defeat those determined to destroy his home and his family.