When Daisy Wells and Hazel Wong set up a secret detective agency at Deepdean School for Girls, they struggle to find a truly exciting mystery to investigate. (Unless you count the case of Lavinia's missing tie. Which they don't.)But then Hazel discovers the body of the Science Mistress, Miss Bell - but when she and Daisy return five minutes later, the body has disappeared. Now the girls have to solve a murder, and prove a murder has happened in the first place before the killer strikes again (and before the police can get there first, naturally),But will they succeed? And can their friendship stand the test?

    With time running out, Christopher must use every skill he’s learned to discover the key to a terrible secret with the power to tear the world apart.

    Disguising herself as a grieving widow, Enola sets out to the heart of London to uncover her mother’s whereabouts—but not even the last name Holmes can prepare her for what awaits. Suddenly involved in the kidnapping of the young Marquess of Basilwether, Enola must escape murderous villains, free the spoiled Marquess, and perhaps hardest of all, elude her shrewd older brother—all while collecting clues to her mother’s disappearance!

    But, despite the Gatsby-like parties and trimmings of success, she suspects something might be deeply wrong in the household—specifically with Rose Sewell, the formerly vivacious lady of the house who now refuses to leave her room. The other servants say Rose is crazy, but scrappy, strong-willed Martha thinks there’s more to the story—and that the paintings in the Sewell’s gallery contain a hidden message detailing the truth. But in a house filled with secrets, nothing is quite what it seems, and no one is who they say. Can Martha follow the clues, decipher the code, and solve the mystery of what’s really going on with Rose Sewell . . . ?Inspired by true events described in the author’s note.

    Luckily, Miss Penelope Lumley is no ordinary governess. Only fifteen years old and a recent graduate of the Swanburne Academy for Poor Bright Females, Penelope embraces the challenge of her new position. Though she is eager to instruct the children in Latin verbs and the proper use of globes, first she must help them overcome their canine tendencies. But mysteries abound at Ashton Place: Who are these three wild creatures, and how did they come to live in the vast forests of the estate? Why does Old Timothy, the coachman, lurk around every corner? Will Penelope be able to teach the Incorrigibles table manners and socially useful phrases in time for Lady Constance's holiday ball? And what on earth is a schottische?

    Armed with her father’s law books and her mum’s microscope, Myrtle studies toxicology, keeps abreast of the latest developments in crime scene analysis, and Observes her neighbors in the quiet village of Swinburne, England. When her next-door neighbor, a wealthy spinster and eccentric breeder of rare flowers, dies under Mysterious Circumstances, Myrtle seizes her chance. With her unflappable governess, Miss Ada Judson, by her side, Myrtle takes it upon herself to prove Miss Wodehouse was murdered and find the killer, even if nobody else believes her — not even her father, the town prosecutor.

    But as winter stretches on, and the unending ice refuses to break, terrible acts of treachery soon make it clear that a traitor lurks in their midst. A malevolent air begins to seep through the fortress walls, and a smothering claustrophobia slowly turns these prisoners of winter against one another.Those charged with protecting the king's children are all suspect, and the siblings must choose their allies wisely. But who can be trusted so far from their father's watchful eye? Can Solveig and her siblings survive the long winter months and expose the traitor before he succeeds in destroying a kingdom?

    Here, fourteen-year-old Janie meets a mysterious apothecary and his son, Benjamin Burrows—a fascinating boy who’s not afraid to stand up to authority and dreams of becoming a spy. When Benjamin’s father is kidnapped, Janie and Benjamin must uncover the secrets of the apothecary’s sacred book, the Pharmacopoeia, in order to find him, all while keeping it out of the hands of their enemies—Russian spies in possession of nuclear weapons. Discovering and testing potions they never believed could exist, Janie and Benjamin embark on a dangerous race to save the apothecary and prevent impending disaster.

    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.

    Which is the last thing she wants. Jo secretly dreams of becoming a writer—a newspaper reporter like the trailblazing Nellie Bly.Wild aspirations aside, Jo’s life seems perfect until tragedy strikes: her father is found dead. Charles Montfort accidentally shot himself while cleaning his revolver. One of New York City’s wealthiest men, he owned a newspaper and was partner in a massive shipping firm, and Jo knows he was far too smart to clean a loaded gun.The more Jo uncovers about her father’s death, the more her suspicions grow. There are too many secrets. And they all seem to be buried in plain sight. Then she meets Eddie—a young, brash, infuriatingly handsome reporter at her father’s newspaper—and it becomes all too clear how much she stands to lose if she keeps searching for the truth. Only now it might be too late to stop.The past never stays buried forever. Life is dirtier than Jo Montfort could ever have imagined, and the truth is the dirtiest part of all.

    And he’s bored out of his mind. Kids aren’t allowed on the lunar surface, meaning they’re trapped inside the tiny moon base with next to nothing to occupy their time—and the only other kid Dash’s age spends all his time hooked into virtual reality games. Then Moon Base Alpha’s top scientist turns up dead. Dash senses there’s foul play afoot, but no one believes him. Everyone agrees Dr. Holtz went onto the lunar surface without his helmet properly affixed, simple as that. But Dr. Holtz was on the verge of an important new discovery, Dash finds out, and it’s a secret that could change everything for the Moonies—a secret someone just might kill to keep...

    But when a fourth child, Max, a knife-thrower, joins the group, it sets off an unforgettable chain of events. When the museum’s Amazonian shrunken head is stolen, the four are determined to get it back. But their search leads them to a series of murders and an explosive secret about their pasts. This sensational new series combines the unparalleled storytelling gifts of Lauren Oliver with the rich knowledge of the notorious relics collector H.C. Chester. What you will NOT find in this book:– An accountant named Seymour– A never-ending line at the post office– Brussel sprouts (shudder)– A lecture on finishing all your homework on time– A sweet, gooey story for nice little girls and boys.

    For one thing, he has had to suffer the humiliating nickname "Half Moon" because of his short stature. But the real reason Fletcher is different is that ever since he was a baby, he's had a nose for sniffing out mysteries. And after graduating at the top of his Internet class, he is officially certified as the youngest detective in the world. He even has a silver-plated detective's badge to prove it. Everything is going along fine until two things happen: a classmate hires him to solve a crime, and his prized badge is stolen. All signs point to the town's most notorious crime family, the Sharkeys.As Fletcher follows the clues, evidence of a conspiracy begins to emerge. But before he can crack the case, Fletcher finds himself framed for a serious crime. To clear his name, he will have to pair up with the unlikeliest of allies and go on the run from the authorities. Fletcher has twelve hours to find the guilty party--or he is the guilty party.

    But after their father unwittingly sends them to stay with an aunt who’s away on holiday, the Hardscrabble children take off on an adventure that begins in the seedy streets of London and ends in a peculiar sea village where legend has it a monstrous creature lives who is half boy and half animal. . . . In this wickedly dark, unusual, and compelling novel, Ellen Potter masterfully tells the tale of one deliciously strange family and a secret that changes everything.

    She is even more surprised when the test results come back positive, and she is sent to Attic Island, a former prison turned refuge—and quarantine colony—for the ill. The Scourge’s victims, Ani now among them, can only expect to live out short, painful lives there.However, Ani quickly discovers that she doesn’t know the whole truth about the Scourge or the Colony. She’s been caught in a devious plot, and, with the help of her best friend, Weevil, Ani means to uncover just what is actually going on. But will she and Weevil survive the Scourge—and the gorvernor’s wardens—long enough to make their escape and expose the cruel plan?