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.

    Finn Whitman and four other teens have been hired as Disney World guides, but with an odd twist: With cutting-edge technology, they have been transformed into hologram projections capable of leading guests around the park. What begins as an exciting theme park job turns into a virtual nightmare as Finn and his pals attempt to thwart an uprising by a menacing group of Disney villains.

    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.

    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.

    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.

    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.

    Nearly seven hundred years later, he is acknowledged as the greatest Alchemyst of his day. It is said that he discovered the secret of eternal life. The records show that he died in 1418. But his tomb is empty and Nicholas Flamel lives. The secret of eternal life is hidden within the book he protects—the Book of Abraham the Mage. It's the most powerful book that has ever existed. In the wrong hands, it will destroy the world. And that's exactly what Dr. John Dee plans to do when he steals it. Humankind won't know what's happening until it's too late. And if the prophecy is right, Sophie and Josh Newman are the only ones with the power to save the world as we know it. Sometimes legends are true. And Sophie and Josh Newman are about to find themselves in the middle of the greatest legend of all time.

    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.

    He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby.He is going to save the world.And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.If Bobby wants to see his family again, he's going to have to accept his role as savior, and accept it wholeheartedly. Because, as he is about to discover, Denduron is only the beginning....Cover illustration by Victor Lee

    This world is on the brink of war, and Gregor's arrival is no accident. A prophecy foretells that Gregor has a role to play in the Underland's uncertain future. Gregor wants no part of it -- until he realizes it's the only way to solve the mystery of his father's disappearance. Reluctantly, Gregor embarks on a dangerous adventure that will change both him and the Underland forever.

    Like every child in the city, she wears a silver guardchain and is forced to obey the dreaded Blessed Guardians. She has never done anything by herself and won’t be allowed out on the streets unchained until Separation Day.When Separation Day is canceled, Goldie, who has always been both impatient and bold, runs away, risking not only her own life but also the lives of those she has left behind. In the chaos that follows, she is lured to the mysterious Museum of Dunt, where she meets the boy Toadspit and discovers terrible secrets. Only the cunning mind of a thief can understand the museum’s strange, shifting rooms. Fortunately, Goldie has a talent for thieving.Which is just as well, because the leader of the Blessed Guardians has his own plans for the museum—plans that threaten the lives of everyone Goldie loves. And it will take a daring thief to stop him. . . .Museum of Thieves is a thrilling tale of destiny and danger, and of a courageous girl who has never been allowed to grow up—until now.

    It was a dark and stormy night.Out of this wild night, a strange visitor comes to the Murry house and beckons Meg, her brother Charles Wallace, and their friend Calvin O'Keefe on a most dangerous and extraordinary adventure—one that will threaten their lives and our universe.Winner of the 1963 Newbery Medal, A Wrinkle in Time is the first book in Madeleine L'Engle's classic Time Quintet.

    The mysterious Mr. Socrates rescues Modo, a child in a traveling freak show. Modo is a hunchback with an amazing ability to transform his appearance, and Mr. Socrates raises him in isolation as an agent for the Permanent Association, a spy agency behind Brittania's efforts to rule the empire. At 14, Modo is left on the streets of London to fend for himself. When he encounters Octavia Milkweed, another Association agent, the two uncover a plot by the Clockword Guild behind the murders of important men. Furthermore, a mad scientist is turning orphan children into automatons to further the goals of the Guild. Modo and Octavia journey deep into the tunnels under London and discover a terrifying plot against the British government. It's up to them to save their country.

     Gideon Seymour, cutpurse and gentleman, hides from the villainous Tar Man. 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.

    And at that castle’s old keep is an orphanage. Delphi Keep has seen many youngsters come and go through its gates, and Ian Wigby and his sister, Theodosia, are happy to call it home. Life has always been simple at the Keep, and the orphanage safe, until one day, Ian and Theo find a silver treasure box. And within the box, a prophesy. Three thousand years ago a great Greek oracle wrote of a quest. A quest on which the fate of the world depends. A quest that names two children—Ian and Theodosia. Suddenly Delphi Keep is no longer safe. And Ian and Theo, along with a very special group of friends, realize they must unravel the meaning behind the scroll of Dover cavern before darkness falls on the world. And before an unfathomable evil catches up with them.From the Hardcover edition.