For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now.This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck’s altarpiece at Ghent. OPERATION TRINITY chronicles the first Vesper attack on the altarpiece in the 1600s, then jumps to WWII and young Grace Cahill’s desperate bid to save the masterwork from the Nazis. The final piece of the novel tells the story of Ian and Natalie Kabra’s first solo operation and features an 11th hour appearance by Grace Cahill on her final mission.History will never be the same.

    Eleven-year-old Nicholas Vargas only thinks his life has been turned upside down after his developer father remarries and moves his new wife and daughter into the soon-to-be completed Mangrove Hollow. But an "expedition" to a nearby lake turns up a little nixie with a giant problem - the huge, lumbering, fire-breathing variety - and it's up to Nick; his stepsister, Laurie; and his big brother, Julian (plus a familiar face from the original Spiderwick Chronicles) to figure out the best way to stop a host of rampaging giants before all of Florida goes up in smoke.

    But when adventuress and aviatrix Linka Perlfinger walks into his watchmaker's shop, his life becomes anything but ordinary.

    Clutter's bookshop window: "Adventurers Wanted. Apply Within." No one but fifteen-year-old Alex Taylor even seems to notice it is there. And for Alex, who has wished for a change in his life, it is an irresistible invitation.Upon entering Mr. Clutter's shop, Alex is swept away on an incredible adventure to a faraway land filled with heroic warriors, mysterious elves, and hard-working dwarves.Alex becomes the eigth man in a band of adventurers seeking the lair of Slathbog the Red - and evil dragon with a legendary treasure. Along the way, Alex and his new friends must battle dangerous trolls and bandits, face undead wraiths, and seek the wisdom of the Oracle in her White Tower.Alex's adventure takes him to distant and exotic lands where he learns about courage, integrity, honor, and, most importantly, friendship.Slathbog's Gold is the first book in an exciting new YA epic fantasy series and heralds the arrival of a major new talent in the genre.

    Moments later Jack, a young wizard in training, comes in to choose a magical animal to be his familiar. Jack thinks his birthday pet is magical, and Aldwyn plays along.He just has to convince the other familiars -- know-it-all blue jay Skylar and unsure tree frog Gilbert that he's as powerful as he claims. Then the unthinkable happens. Jack and two other young wizards are captured by the evil queen of Vastia. The familiars face dangerous foes, unearth a shocking centuries-old secret, and discover a destiny that will change Vastia forever.

    But young king Lief knows this isn't true - and that the time has come to find them. The evil Shadow Lord has poisoned the land with four vile creatures of sorcery buried with such stealth that only the bravest of heroes will find them. Lief and his companions Barda and Jasmine must struggle to reveal the origins of the sorcery and destroy them. Their only clues are fragments of an ancient map. And their only hope lies with seven unlikely allies - the last of Deltora's dragons.

    Kobold, Gideon's wizard rival, wants nothing more than to get his hands on Wycca. In a desperate attempt to rescue Wycca from Kovold's evil clutches, Gideon follows her through the magic hole...and finds himself transported from thirteenth-century England to the terryfyingly modern world of Boston, Massachusetts, in the twenty-first century.Soon Theodora's involved with a chocohlic baby wyvern, a mysterious wyvern playing card, a couple of desperate wizards -- and the summer vacation of her life!

    When Eragon finds a polished blue stone in the forest, he thinks it is the lucky discovery of a poor farm boy; perhaps it will buy his family meat for the winter. But when the stone brings a dragon hatchling, Eragon soon realizes he has stumbled upon a legacy nearly as old as the Empire itself. Overnight his simple life is shattered, and he is thrust into a perilous new world of destiny, magic, and power. With only an ancient sword and the advice of an old storyteller for guidance, Eragon and the fledgling dragon must navigate the dangerous terrain and dark enemies of an Empire ruled by a king whose evil knows no bounds. Can Eragon take up the mantle of the legendary Dragon Riders? The fate of the Empire may rest in his hands.

    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 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.

    It feels at once firmly steeped in the classics of children's literature and completely fresh. The story is told from multiple points of view, and the book features more than eighty illustrations, including six full-color plates, making this an absolutely gorgeous object.In Wildwood, Prue and her friend Curtis uncover a secret world in the midst of violent upheaval—a world full of warring creatures, peaceable mystics, and powerful figures with the darkest intentions. And what begins as a rescue mission becomes something much greater as the two friends find themselves entwined in a struggle for the very freedom of this wilderness. A wilderness the locals call Wildwood.The bestselling trilogy from Colin Meloy and Carson Ellis consists of Wildwood, Under Wildwood, and Wildwood Imperium.

    Edgar, a gifted climber, is a lonely boy scaling the perilous cliffs that separate the three realms of Atherton: a humble fig grove; a mysterious highland world of untold beauty and sinister secrets; and a vast wasteland where he must confront an unspeakable danger that could destroy the people of Atherton. When Edgar discovers a book which contains the history of Atherton's origins and ultimate apocalypse, his world quite literally begins to turn inside out.

    They combine their faith, courage, and love to overcome an evil slayer who seeks to bring an end to dragon heritage, forever.The kids at school call Billy "Dragon Breath" for good reason. His breath is bad! It isn't the normal, morning-mouth bad; it's the hot-as-fire, "don't-you-dare-get-near-me" bad. Trouble erupts when his hot breath sets off the fire sprinklers in the boys' restroom in school, and his parents learn that they've kept their secret for too long.Billy finally discovers the secret. His father was once a dragon! Now that's a piece of news a guy doesn't deal with every day! Billy feels betrayed, alien, lost. When the dragon slayer traps him on a cold mountaintop in West Virginia, Billy learns to battle with weapons of steel and spirit while relying on a power he doesn't understand, a power that helps him learn to trust again.Bonnie, an orphan, tries to find a home, someone to love her, even though she feels like a freak because of a body feature that she calls a deformity. But this unusual feature becomes a life-saving attribute as she discovers that her love for others and her faith in a creator hold the answers she's looking for.

    Janner Igiby, his brother Tink, their crippled sister Leeli are gifted children as all children are, loved well by a noble mother and ex-pirate grandfather. But they will need all their gifts and all that love to survive the evil pursuit of the venomous Fangs of Dang who have crossed the dark sea to rule the land with malice and pursue the Igibys who hold the secret to the lost legend and jewels of good King Wingfeather of the Shining Isle of Anniera.Andrew Peterson spins a quirky and riveting tale of the Igibys’ extraordinary journey from Glipwood’s Dragon Day Festival and a secret hidden in the Books and Crannies Bookstore, past the terrifying Black Carriage, clutches of the horned hounds and loathsome toothy cows surrounding AnkleJelly Manor, through the Glipwood Forest and mysterious treehouse of Peet the Sock Man (known for a little softshoe and wearing tattered socks on his hands and arms), to the very edge of the Ice Prairies. Full of characters rich in heart, smarts, and courage, On the Edge of the Dark Sea of Darkness presents a world of wonder and a tale children of all ages will cherish, families can read aloud, and readers’ groups are sure to discuss for its layers of meaning about life’s true treasure and tangle of the beautiful and horrible, temporal and eternal, and good and bad.

    After their parents are lost in an accident, thirteen-year old twins Grace and Marty are whisked away to live with their Uncle Wolfe-an uncle that they didn't even know they had! The intimidating Uncle Wolfe is an anthropologist who has dedicated his life to finding cryptids, mysterious creatures believed to be long extinct.