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?Before Chess, Emma, and Finn can question their mom about it, she takes off on a sudden work trip and leaves them in the care of Ms. Morales and her daughter, Natalie. But puzzling clues left behind lead to complex codes, hidden rooms, and a dangerous secret that will turn their world upside down.

    Polly lives in a house bursting at the seams with people, while Rose is often left alone by her busy parents. Polly is a down-to-earth dreamer with a wild imagination and an obsession with ghosts; Rose is a quiet, ethereal waif with a sharp tongue. Despite their differences, both girls spend their days feeling invisible and seek solace in books and the cozy confines of their respective attics. But soon they discover they aren't alone--they're actually neighbors, sharing a wall. They develop an unlikely friendship, and Polly is ecstatic to learn that Rose can actually see and talk to ghosts. Maybe she will finally see one too! But is there more to Rose than it seems? Why does no one ever talk to her? And why does she look so... ghostly? When the girls find a tombstone with Rose's name on it in the cemetery and encounter an angry spirit in her house who seems intent on hurting Polly, they have to unravel the mystery of Rose and her strange family... before it's too late.

    But right before she leaves, a mysterious box arrives full of medallions and a note reading: These belonged to your father. Just as she's settling into life at Wellsworth, Emmy begins to find the strange symbols from the medallions etched into the walls and stumbles upon the school's super-secret society, The Order of Black Hollow Lane. As Emmy and her friends delve deeper into the mysteries of The Order, she can't help but wonder—did this secret society have something to do with her dad's disappearance?

    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.

    A found cipher. A game begins . . . .Twelve-year-old Emily is on the move again. Her family is relocating to San Francisco, home of her literary idol: Garrison Griswold, creator of the online sensation Book Scavenger, a game where books are hidden all over the country and clues to find them are revealed through puzzles. But Emily soon learns that Griswold has been attacked and is in a coma, and no one knows anything about the epic new game he had been poised to launch. Then Emily and her new friend James discover an odd book, which they come to believe is from Griswold and leads to a valuable prize. But there are others on the hunt for this book, and Emily and James must race to solve the puzzles Griswold left behind before Griswold's attackers make them their next target.

    As the stakes continue to rise, the boy must piece together the disjointed clues of his origins while using his limited knowledge to stop one of the greatest art frauds ever attempted. Digitally interactive, this museum mystery offers QR codes woven throughout the book that bring renowned paintings to readers’ fingertips.

    Twelve-year-old Isaveth is poor, but she’s also brave, loyal, and zealous in the pursuit of justice—which is lucky, because her father has just been wrongfully arrested for murder. Isaveth is determined to prove her innocence. Quiz, the eccentric eyepatch-wearing street boy who befriends her, swears he can’t resist a good mystery. Together they set out to solve the magical murder of one of Tarreton’s most influential citizens and save Isaveth’s beloved Papa from execution.But each clue is more perplexing than the next. Was the victim truly killed by Common Magic—the kind of crude, cheap spell that only an unschooled magician would use—or was his death merely arranged to appear that way? And is Quiz truly helping her out of friendship, or does he have hidden motives of his own? Isaveth must figure out who she can trust if she’s to have any hope of proving her Papa’s innocence in time. . .

    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.

    On one of their midnight stakeouts, they witness a terrifying, bloody scene at the home of their bizarre middle-school counselor, Dr. Charlotte Agford (aka Dr. Awkward). At least, they think they do. The truth is that Dr. Agford was only making her famous pickled beets! But when Dr. Agford begins acting even weirder than usual, Sophie and Grace become convinced that she’s hiding something—and they’re determined to find out what it is. Soon the girls are breaking secret codes, being followed by a strange blue car, and tailing strangers with unibrows and Texas accents. But as their investigation heats up, Sophie and Grace start to crack under the pressure. They might solve their case, but will their friendship survive?Perfect for fans of The Mysterious Benedict Society, The Wig in the Window is a smart, funny middle-grade mystery with a REAR WINDOW twist.

    Isolated, awkward and a bit rude—but a genius. Mary Godwin, age fourteen, is a romantic. Adventurous, astute, and kind, Mary is to become Ada’s first true friend. And together, the girls conspire to form the Wollstonecraft Detective Agency—a secret constabulary for the apprehension of clever criminals. Their first case involves a stolen heirloom, a false confession, and an array of fishy suspects. But it’s no match for the deductive powers and bold hearts of Ada and Mary.   Mystery fans will love this tween girl riff on Sherlock Holmes and John Watson. History buffs will be delighted to see all the real figures who play a role in this story and appreciate the extensive backmatter that helps separate truth from fiction. Parents and educators hoping to promote the STEM fields for girls will be thrilled to have a series where two girls use math, science, and creative analytical thinking to solve crimes. But most espicially--emerging readers will love this series filled with humor, action, intrigue and wonderful artwork from Kelly Murphy.From the Hardcover edition.

    Not when her feelings have such a strong grip on her heart. Not when she and her twin sister, Naomi, seem to be drifting apart. So when Elodee’s mom gets a new job in Eventown, moving seems like it might just fix everything.Indeed, life in Eventown is comforting and exciting all at once. Their kitchen comes with a box of recipes for Elodee to try. Everyone takes the scenic way to school or work—past rows of rosebushes and unexpected waterfalls. On blueberry-picking field trips, every berry is perfectly ripe.Sure, there are a few odd rules, and the houses all look exactly alike, but it’s easy enough to explain—until Elodee realizes that there are only three ice cream flavors in Eventown. Ever. And they play only one song in music class.Everything may be “even” in Eventown, but is there a price to pay for perfection—and pretending?

    Unlike Tess, Frankie is neurodivergent, with diagnoses of ADHD and autism spectrum and attention processing disorders. Frankie can't stand to be touched, loud noises bother her, she's easily distracted, she hates changes in her routine, and she has to go see a therapist while other kids get to hang out at the beach. It also means Frankie has trouble making friends. She did have one--Colette--but they're not friends anymore. It's complicated.Then, just weeks before the end of seventh grade, Colette unexpectedly shows up at Frankie's door. The next morning, Colette vanishes. Now, after losing Colette yet again, Frankie's convinced that her former best friend left clues behind that only she can decipher, so she persuades her reluctant sister to help her unravel the mystery of Colette's disappearance before it's too late.

    But when the clock’s gears cease to turn, an evil presence lurking among the trees begins to come out of the shadows.When Lucy and Oliver Tinker arrive in Watch Hollow, they have no idea that anything is wrong. A mysterious stranger has made their father an offer that’s too good for him to refuse. All Mr. Tinker needs to do is fix the clock at Blackford House and fistfuls of gold coins are his to keep.It doesn’t take long, however, for the children to realize that there is more to Blackford House than meets the eye. And before they can entirely understand the strange world they’ve stumbled into, Lucy and Oliver must join forces with a host of magical clock animals to defeat the Garr—a vicious monster that not only wants Blackford House for itself, but also seeks to destroy everything the Tinkers hold dear.

    Tessa Woodward isn’t exactly thrilled to move to rainy, cold Chicago from her home in sunny Florida. But homesickness turns to icy fear when unexplainable things start happening in her new house. Things like flickering lights, mysterious drawings appearing out of nowhere, and a crackling noise she can feel in her bones. When her little brother’s doll starts crying real tears, Tessa realizes that someone—or something—is trying to communicate with her. A secret that’s been shrouded in mystery for more than one hundred years. With the help of three new friends, Tessa begins unraveling the mystery of what happened in the house on Shady Street—and more importantly, what it has to do with her!

    But the biggest mystery yet is Ian Wainscott, the handsomest (and most arrogant) boy in school who inexplicably hates her. Will the homework be found? Can they ever track down the Yeti? And why is Ian out to ruin her?With black-and-white art throughout, this is the launch of an exciting new mystery series!