Suddenly the sky peels away like fabric and from the gaping hole fall two curious-looking children. Peter Schock and Kate Dyer have fallen straight from the twenty-first century, thanks to an experiment with an antigravity machine. Before Gideon and the children have a chance to gather their wits, the Tar Man takes off with the machine -- and Kate and Peter's only chance of getting home. Soon Gideon, Kate, and Peter are swept into a journey through eighteenth-century London and form a bond that, they hope, will stand strong in the face of unfathomable treachery.

    The warrior K'da species are symbiotes, can only live six hours without their humanoid host. Draycos 30s is the sole survivor of the three ships destroyed scouting for their refugees, and Jack is the only possible choice. They may be an odd couple, but together they're more than the sum of their parts. They are destined to travel far and wide, facing many perils - human, alien, and other, as they seek justice and safety - Jack for himself, and Draycos for his people.

    Which means a reward for Piper if she can get the girl home. The one sure way to the Territories is the 401, a great old beauty of a train. But a ticket costs more coin than Piper could make in a year. And stowing away is a difficult prospect--everyone knows that getting past the peculiar green-eyed boy who stands guard is nearly impossible. Life for Piper just turned dangerous. A little bit magical. And very exciting, if she can manage to survive the journey.

    Some of these earths are ruled by magic. Some are ruled by science. All are at war. Joey teams up with alternate versions of himself from an array of these worlds. Together, the army of Joeys must battle evil magicians Lord Dogknife and Lady Indigo to keep the balance of power between all the earths stable. Teens—and tweens and adults—who obsessively read the His Dark Materials and Harry Potter series will be riveted by InterWorld and its sequel, The Silver Dream.

    Even worse, he spent much of the past year in the hospital battling leukemia. Then one night a meteor storm devastates the county, cutting off power and phones. One giant rock crashes into Andy's neighborhood, skids up the street, and stops right on Andy’s front lawn. The towering boulder draws the attention of neighbors, the media, the army, and even the new girl from Andy’s art class. He is thrilled at the notoriety, but everything changes when the meteor opens and a towering machine steps out. Separated from his family, Andy must fend for himself and rescue his friends. Join the adventure as Andy meets an alien, devises a plan to stop the invasion, and learns how strong he really is.

    But even Artemis doesn't know what he's taken on when he kidnaps a fairy, Captain Holly Short of the LEPrecon Unit. These aren't the fairies of bedtime stories—they're dangerous! Full of unexpected twists and turns, Artemis Fowl is a riveting, magical adventure.

    In the past, the people of Lyrian welcomed visitors from the Beyond, but attitudes have changed since the wizard emperor Maldor rose to power. The brave resistors who opposed the emperor have been bought off or broken, leaving a realm where fear and suspicion prevail.In his search for a way home, Jason meets Rachel, who was also mysteriously drawn to Lyrian from our world. With the help of a few scattered rebels, Jason and Rachel become entangled in a quest to piece together the word of power that can destroy the emperor, and learn that their best hope to find a way home will be to save this world without heroes.

    Ripped from their parents as babies, they are being protected from a horrible evil of devastating power, an evil they know nothing about.Until now.Before long, Kate, Michael, and Emma are on a journey through time to dangerous and secret corners of the world...a journey of allies and enemies, of magic and mayhem. And — if an ancient prophesy is correct — what they do can change history, and it is up to them to set things right.

    Grubb emerges from Alistair Grim's trunk and into the wondrous world of the Odditorium. Fueled by a glowing blue energy that Grubb can only begin to understand, the Odditorium is home to countless enchanted objects and an eccentric crew that embraces Grubb as one of their own.There's no time for Grubb to settle into his new role as apprentice to the strange, secretive Mr. Grim. When the Odditorium comes under attack, Grubb is whisked off on a perilous adventure. Only he can prevent the Odditorium's magic from falling into evil hands-and his new family from suffering a terrible fate.Grubb knows he's no hero. He's just a chimney sweep. But armed with only his courage and wits, Grubb will confront the life-or-death battle he alone is destined to fight.

    But when the confused and curious boy discovers that a mysterious virus is spreading through town, he decides to enter an otherworldly house to stop it. After meeting Suzy Blue and the first part of "the Will" (a frog-looking entity that knows everything about the House), Arthur learns that he's been selected as Rightful Heir to the House and must get the other part of the clock hand in order to defeat Monday. That means getting past Monday's henchmen and journeying to the Dayroom itself. Thankfully, Arthur is up to the challenge, but as he finds out, his fight seems to be only one-seventh over.With a weapon-wielding hero and a villain who doesn't make Mondays any nicer, Nix's Keys to the Kingdom launch is imaginative and gripping. After an action-packed crescendo to the book's middle -- when Arthur finally learns his destiny -- Nix keeps the drama going and doesn't let it fall. By the end, you might be winded from all the fantastic explanation, but you'll definitely be salivating for what's to come.

    But she doesn't know how weird until she catches him peeling off his face -- and realizes that "Mr. Smith" is really an alien! At first no one will believe her except Peter Thompson, the class brain. When Peter and Susan discover Mr. Smith's horrible plans for their classmates, they know they have to act fast. Only they can get rid of their extraterrestrial visitor -- and save the rest of the sixth-grade class from a fate worse than math tests!

    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.

    Moundshroud. As Pipkin scrambles to join them, he is swept away by a dark Something, and Moundshroud leads the boys on the tail of a kite through time and space to search the past for their friend and the meaning of Halloween.

    Ask Jake. He may tell you about the night he and his friends saw the strange light in the sky. He may even tell you about what happened when they realized the "light" was only a plane -- from another planet. Here's where Jake's story gets a little weird. It's where they're told that the human race is under attack -- and given the chance to fight back.Now Jake, Rachel, Cassie, Tobias, and Marco have the power to morph into any animal they choose. And they must use that power to outsmart an evil that is greater than anything the world has ever seen...

    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.