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.

    L. Konisburg, this middle-grade mystery adventure is inspired by the real life of Viviani Joffre Fedeler, born and raised in the New York Public Library.Eleven-year-old Viviani Fedeler has spent her whole life in the New York Public Library. She knows every room by heart, except the ones her father keeps locked. When Viviani becomes convinced that the library is haunted, new girl Merit Mubarak makes fun of her. So Viviani decides to play a harmless little prank, roping her older brothers and best friend Eva to help out.But what begins as a joke quickly gets out of hand, and soon Viviani and her friends have to solve two big mysteries: Is the Library truly haunted? And what happened to the expensive new stamp collection? It's up to Viviani, Eva, and Merit (reluctantly) to findout.

    To Master Thief Fin, an orphan from the murky pirate world of the Khaznot Quay, the Map is the key to finding his mother. To suburban schoolgirl Marrill, it's her only way home after getting stranded on the Pirate Stream, the magical waterway that connects every world in creation. With the help of a bumbling wizard and his crew, they must scour the many worlds of the Pirate Stream to gather the pieces of the Map to Everywhere--but they aren't the only ones looking. A sinister figure is hot on their tail, and if they can't beat his ghostly ship to find the Map, it could mean the destruction of everything they hold dear! Heart-pounding escapades and a colorful cast of characters will have readers setting sail through this wholly original and unforgettable tale.

    only to discover an island hidden in the swirling mists below.Shrouded by dense trees and murky tides, the island appears uninhabited, although the kids can't quite shake the feeling that something about it is off. Their suspicions grow when they stumble upon an abandoned houseboat with an array of curiosities inside: odd-looking weapons, unnerving portraits, maps to places they've never heard of, and a glass jar containing something completely unidentifiable.As the group delves deeper into the unknown, their discoveries – and their lives – begin to intertwine in weird and creepy ways. Something ancient has awakened... and it knows their wishes and dreams – and their darkest, most terrible secrets. Do they have what it takes to face the shadowy things that lurk within their own hearts?

    There’s plenty to explore in her grand home, although she must take care to never be seen. None of the rich folk upstairs know that Serafina exists; she and her pa, the estate’s maintenance man, have secretly lived in the basement for as long as Serafina can remember.But when children at the estate start disappearing, only Serafina knows who the culprit is: a terrifying man in a black cloak who stalks Biltmore’s corridors at night. Following her own harrowing escape, Serafina risks everything by joining forces with Braeden Vanderbilt, the young nephew of the Biltmore’s owners. Braeden and Serafina must uncover the Man in the Black Cloak’s true identity... before all of the children vanish one by one.Serafina’s hunt leads her into the very forest that she has been taught to fear. There she discovers a forgotten legacy of magic, one that is bound to her own identity. In order to save the children of Biltmore, Serafina must seek the answers that will unlock the puzzle of her past.

    The creaky smuggler’s inn is always quiet during this season, and twelve-year-old Milo, the innkeepers’ adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo’s home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house. As objects go missing and tempers flare, Milo and Meddy, the cook’s daughter, must decipher clues and untangle the web of deepening mysteries to discover the truth about Greenglass House—and themselves.

    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.

    She doesn't have too many friends amongst the living, but that's all right. She has her books, she has her aunts, and she has her best friend, the ghostly Felix.Then Pram meets Clarence, a boy from school who has also lost a parent and is looking for answers. Together they arrive at the door of the mysterious Lady Savant, who promises to help. But this spiritualist knows the true nature of Pram's power, and what she has planned is more terrifying than any ghost.

    The grounds are always cold, the garden out back is dead, a mysterious group of children call the property home, and there’s a rumor that Melena M. Mallory—the owner of the estate and Piper’s wealthy grandmother—is a witch.But when Piper’s father falls ill, Mallory Estate is exactly where she finds herself.The grand house and its garden hold many secrets—some of which may even save her father—and Piper will need to believe in herself, her new friends, and magic if she wants to unlock them before it’s too late.

    But she soon learns that this home isn't like any of the others - especially when she unearths the secret of the missing-and-presumed-dead billionaire, Gabriel Winterborne, who is neither missing nor dead but is actually living in a basement lair, sharpening his swords and looking for vengeance.Now that April knows Gabriel Winterborne is alive, she must turn to the other orphans to keep him that way. As a looming new danger threatens to take Gabriel down once and for all, they must use their individual talents to find a way to make sure this home for misfits isn't lost to them for ever.Because at the Winterborne Home, nothing is what it seems, no one is who they say they are and nowhere is safe. And now a ragtag group of orphans must unravel the riddle of a missing heir, a supposed phantom and a secret key, all without alerting the adults of Winterborne House that trouble is afoot.

    But little does she know that she is about to be thrust into a centuries-old battle between good and evil. Blackbird Castle was once home to a powerful dynasty of witches, all of them now dead under mysterious circumstances. Zita is the last of her line. And Zita, unfortunately, doesn’t know the first thing about being a witch. As she begins her lessons in charms and spells with her guardian, Mrs. Cantanker, Zita makes new allies—a crow, a talking marble head, two castle servants just her age named Bram and Minnifer, and the silent ghost of a green-eyed girl. But who is friend and who is foe? Zita must race to untangle her past and find the magic to save the home she’s always hoped for. Because whatever claimed the souls of her family is now after her.

    All Betty Widdershins wants is an adventure--one that takes her far away from Crowstone, the gloomy island where she's always lived. But instead of an adventure, Betty and her sisters, Fliss and Charlie, are given of a set of magical objects, each with its own powers: a scruffy carpet bag, a set of wooden nesting dolls, and a gilt-framed mirror. And these magical objects come with their own terrible secret: the sisters' family is haunted by a generations-long curse that prevents them from ever leaving their island--at the cost of death. The sisters set out to break the curse and free their family forever. But after stumbling upon a mysterious prisoner who claims to be able to help them, they find themselves in great danger. And in order to break the curse--and stay alive--they must unravel a mystery that goes back centuries, one that involves shipwrecks, smugglers, and sorcery of the most perilous kind.

    A curl-up-on-the-sofa debut from a uniquely talented author.Eleven year-old Tilly has lived above her grandparents' bookshop ever since her mother disappeared shortly after she was born. Like the rest of her family, Tilly loves nothing more than to escape into the pages of her favourite stories.One day Tilly realises that classic children's characters are appearing in the shop through the magic of `book wandering' - crossing over from the page into real life.With the help of Anne of Green Gables and Alice in Wonderland. Tilly is determined to solve the mystery of what happened to her mother all those years ago, so she bravely steps into the unknown, unsure of what adventure lies ahead and what dangers she may face.

    But when a huge avalanche traps her on the glacier and destroys the pass, Sabira is determined to find another way home. In order to survive, she must face up to the merciless mountain - but there are dark and fiery secrets hiding in its depths ...Memorable, original world-building and an icy, Tibetan-themed setting combine in a truly stand-out middle-grade adventure.

    Soon their house is ransacked by unknown intruders, and a very strange policeman turns up on the scene, determined to apprehend them . . . with a toilet brush. Ivy and Seb make their escape only to find themselves in a completely uncommon world, a secret underground city called Lundinor where ordinary objects have amazing powers. There are belts that enable the wearer to fly, yo-yos that turn into weapons, buttons with healing properties, and other enchanted objects capable of very unusual feats. But the forces of evil are closing in fast, and when Ivy and Seb learn that their family is connected to one of the greatest uncommon treasures of all time, they must race to unearth the treasure and get to the bottom of a family secret . . . before it’s too late.