By all accounts, they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

    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.

    Twin siblings Abby and Derick Cragbridge are excited as new students to use their famed grandfather’s inventions that make Cragbridge Hall so incredible. But when their grandfather and parents go missing, the twins begin following a trail of clues left by their grandfather. They must find out where their family is, learn who they can trust, and discover what secrets are hidden within Cragbridge Hall.Abby and Derick soon realize they are caught in a race with a fierce adversary to discover their grandfather’s greatest secret–a dangerous discovery that could alter both history and reality.

    Where did this boy come from? Is he a dream? But how can his dreams be set in London during the Blitz? How can he wake up with a head full of people and facts and events that he certainly didn't know when he went to sleep--but which turn out to be verifiably real? Recommended for ages 11-15.Martin Conway comes from a family filled with heroes and disgraces. His grandfather was a statesman who worked at the US Embassy in London during WWII. His father is an alcoholic who left his family. His sister is an overachieving Ivy League graduate. And Martin? Martin is stuck in between--floundering.But during the summer after 7th grade, Martin meets a boy who will change his life forever. Jimmy Harker appears one night with a deceptively simple question: Will you help? Where did this boy come from, with his strange accent and urgent request? Is he a dream? It's the most vivid dream Martin's ever had. And he meets Jimmy again and again--but how can his dreams be set in London during the Blitz? How can he see his own grandather, standing outside the Embassy? How can he wake up with a head full of people and facts and events that he certainly didn't know when he went to sleep--but which turn out to be verifiably real?The people and the scenes Martin witnesses have a profound effect on him. They become almost more real to him than his waking companions. And he begins to believe that maybe he can help Jimmy. Or maybe that he must help Jimmy, precisely because all logic and reason argue against it.This is a truly remarkable and deeply affecting novel about fathers and sons, heroes and scapegoats. About finding a way to live with faith and honor and integrity. And about having an answer to the question: What did you do to help?

     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.

    For them, every day is another desperate death-defying adventure until they stumble upon the key that may lead to the greatest treasure ever. But to take home this magical orb, they must first battle their way out of the Tomb of Shadows.With crucial historical details and plenty of backstory surprises, this is a perfect addition to the library of new and continuing fans of Seven Wonders, the epic adventure series by Peter Lerangis, author of three stories in the 39 Clues series.

    Criminal. Robot.Eve looks like an ordinary 12-year-old girl, but there’s nothing ordinary about her. She has no last name. No parents or guardian. She’s on the run from a dangerous and secretive organization that will stop at nothing to track her down. And most astonishing of all: She’s a robot, a product of Eden Labratories. When she discovers the truth, she realizes everything she thought she knew about herself is a lie. Eve manages to escape, fleeing the lab, the only home she’s ever known. After being arrested for shoplifting, Eve is interviewed by Petra Amis from Child Welfare Services. Her incredible story unfolds during the interrogation, with flashbacks to her life inside Eden Laboratories, which has a dark secret. Exploring a range of topics that drive our society and our lives - topics such as artificial intelligence and human nature - Interview with the Robot is a story told by a startlingly original protagonist, a story that explores the vast potential of technology and the deep complexities of humanity.

    But he dives after friends whisked away to The Outskirts.The five kingdoms lie in between - wakefulness and dreaming, reality and imagination, life and death. Some people are born there. Some find their way there from other worlds.And once people are in the Outskirts, they find it very hard to leave.With the magic of the Outskirts starting to unravel, Cole and an unusual girl named Mira must rescue his friends, set things right in the Outskirts, and hopefully find his way back home…before his existence is forgotten.

    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!

    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.

    But when she discovers a mysterious painting entitled ‘The Lord of Winter’ in a charity shop, it leads her on an adventure she never could have planned. Kate soon realises the old seacape, painted long ago by an eccentric local artist, is actually a puzzle. And with the help of some bizarre new acquaintances – including a museum curator’s magical cat, a miserable neighbour, and a lonely boy – she plans on solving it.And then, one morning Kate wakes up to a world changed forever. For the Lord of Winter is coming – and Kate has a very important decision to make.

    Her father decides it's time for a trip to France to search for her. While visiting Notre Dame, Mira touches a gargoyle and is whirled into the past. There she meets the famous painter Degas and catches a brief, shocking glimpse of her mother. Mira begins to suspect that her mom didn't run out on them but is a prisoner of the past. Can one family on an incredible worldwide adventure stop a plot in time?

    Owen knows that better than anyone, what with the real world’s homework and chores.But everything changes the day Owen sees the impossible happen—his classmate Bethany climb out of a book in the library. It turns out Bethany’s half-fictional and has been searching every book she can find for her missing father, a fictional character.Bethany can’t let anyone else learn her secret, so Owen makes her a deal: All she has to do is take him into a book in Owen’s favorite Kiel Gnomenfoot series, and he’ll never say a word. Besides, visiting the book might help Bethany find her father……Or it might just destroy the Kiel Gnomenfoot series, reveal Bethany’s secret to the entire world, and force Owen to live out Kiel Gnomenfoot’s final (very final) adventure.

    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.

    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