One minute they’re there: laughing and having fun at the house next door. The next minute, the teens are gone. Like magic. Marin can’t believe her eyes. Who are they? Can anyone else see them? What makes them so happy? Marin is lonely in this new town of hers and eager to figure out more. Then she meets Charley, who reveals that he knows about them, too. He calls them the “Remarkables”. Charley warns her to stay away from the Remarkables - and him.

When Colin finds a shoebox full of letters hidden in a stranger’s attic, he knows he’s supposed to throw them away. That’s his summer job, getting rid of junk. But Colin wants to rescue the letters--and find out what really happened to best friends Rosemary and Toby way back in the 1970s. Meanwhile, across town, Nevaeh also finds a mysterious letter. But this one reads like a confession to a crime. And Nevaeh knows her father, the “Junk King,” expects her to join the rest of the family in blaming a single suspect: his business rival, Colin’s mom.

As Max sets to uncover what happened to Josie—and what she is or isn’t—little does he know that she’s fighting to find him again, too. But there are forces trying to keep Max and Josie from ever seeing each other again. Because Josie wasn’t supposed to be real.

Orphan Elizabeth Somers’ malevolent aunt and uncle ship her off to the ominous Winterhouse Hotel, owned by the peculiar Norbridge Falls. Upon arrival, Elizabeth quickly discovers that Winterhouse has many charms - most notably its massive library. It’s not long before she locates a magical book of puzzles that will unlock a mystery involving Norbridge and his sinister family.

With the same heightened suspense and intrigue that made her Shadow Children,/i> books - including Among the Hidden - best-sellers, acclaimed young adult author Margaret Peterson Haddix presents the first entry in a thrilling new series. Thirteen years ago, a plane materialized out of thin air with 36 babies on board and no one at the controls. Jonah and Chip, passengers of that mysterious vessel, are now caught in the middle of a deadly struggle between the FBI and a sinister, unseen force.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

When their grandmother Sylvie is rushed to the hospital, Ivy Sparrow and her annoying big brother Seb cannot imagine what adventure lies in store. 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.

After surviving an infamous family tragedy, 16-year-old Kennedy Jones has made it her mission to keep her brother's search through the cosmos alive. But then something disturbs the frequency on his radio telescope - a pattern registering where no signal should transmit. In a neighboring county, 17-year-old Nolan Chandler is determined to find out what really happened to his brother, who disappeared the day after Nolan had an eerie premonition. There hasn't been a single lead for two years, until Nolan picks up an odd signal - a pattern coming from his brother's bedroom.

It's wintertime at Greenglass House. The creaky smuggler's inn is always quiet during this season, and 12-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.

April had absolutely no intention of becoming the only person who knows that Gabriel Winterborne, the missing-and-presumed-dead billionaire, is actually living in the basement of Winterborne House, sharpening his swords and looking for vengeance. Now it’s up to April to keep him alive. But there’s only so much a 12-year-old girl can do, so April must turn to the other orphans for help. Together, they’ll have to unravel the riddle of a missing heir and a creepy legend, and find a secret key, before the only home they’ve ever known is lost to them forever.

Morrigan Crow is cursed. Having been born on Eventide, the unluckiest day for any child to be born, she's blamed for all local misfortunes, from hailstorms to heart attacks - and, worst of all, the curse means that Morrigan is doomed to die at midnight on her 11th birthday. But as Morrigan awaits her fate, a strange and remarkable man named Jupiter North appears. Chased by black-smoke hounds and shadowy hunters on horseback, he whisks her away into the safety of a secret, magical city called Nevermoor.

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. 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.

Alex’s original hair-raising tales are the only thing keeping the witch Natacha happy, but soon he’ll run out of pages to read from and be trapped forever. He’s loved scary stories his whole life, and he knows most don’t have a happily ever after. Now that Alex is trapped in a true terrifying tale, he’s desperate for a different ending - and a way out of this twisted place. This modern spin on the Scheherazade story is perfect for fans of Coraline and A Tale Dark and Grimm.

Eleven-year-old Reuben spends his days exploring, hiding, and practicing parkour among the abandoned buildings of the Lower Downs as a way to escape the rough times that have befallen him and his mom - but his discovery of an extraordinary antique pocket watch changes everything. When Reuben finds that the watch has the power to turn him invisible, he's propelled on the adventure of a lifetime. Now Reuben is being pursued by a group of dangerous men called the Directions, and someone - or something - ominously called The Smoke.

Leigh's life has been ripped apart. Orphaned, she goes to live with incredibly wealthy relatives she never knew she had. Struggling to fit into her new world, she can't let go of her grief. When the police tell her the investigation into her parents' murder has hit a brick wall, she knows the only way she will ever know peace is to solve the mystery herself. With new family and friends, which includes a ghost with multiple personality issues, Leigh risks everything to find her answers.

Chess has always been the protector over his younger siblings, Emma loves math, and Finn does what Finn does best - acting silly and being adored. They’ve been a happy family, just the three of them and their mom. But everything changes when reports of three kidnapped children reach the Greystone kids, and they’re shocked by the startling similarities between themselves and these complete strangers. The other kids share their same first and middle names. They’re the same ages. They even have identical birthdays. Who, exactly, are these strangers?

Based on the extraordinary true story of America's first-ever female detective, this fast-paced adventure recounts feats of daring and danger...including saving the life of Abraham Lincoln! Eleven-year-old Nell Warne arrives on her aunt's doorstep lugging a heavy sack of sorrows. If her Aunt Kate rejects her, it's the miserable Home for the Friendless. Luckily, canny Nell makes herself indispensable to Aunt Kate...and not just by helping out with household chores. For Kate Warne is the first-ever female detective employed by the legendary Pinkerton Detective Agency.

"Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children—two boys and two girls—succeed. Their challenge: to go on a secret mission that only the most intelligent and inventive children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.

Riske is a freelance industrial spy who, despite his job title, lives a mostly quiet life above his auto garage in central London. He has avoided big, messy jobs - until now. A gangster by the name of Tino Coluzzi - once a compatriot of Riske - has orchestrated the greatest street heist in the history of Paris: a visiting Saudi prince had his pockets lightened of millions in cash, and something else. Hidden within a stolen briefcase is a secret letter that could upend the balance of power in the Western world. The Russians have already killed in an attempt to get it back.

Case One: A little girl goes missing in the night. Case Two: A beautiful young office worker falls victim to a maniac's apparently random attack. Case Three: A new mother finds herself trapped in a hell of her own making - with a very needy baby and a very demanding husband - until a fit of rage creates a grisly, bloody escape.