Young Adult Fiction Mystery

Her parents are spies. To save her from one of their enemies, they gave her to the Ghost Agent Initiative. Thus, the government became her mother, father, and guardian. Now, it’s ready to be teacher as well. Cassandra is happy to learn the survival skills, but she’s less thrilled with the idea of becoming a killer.

Both day and night, Lisa Brooks is plagued with nightmares and hallucinations. Could they be caused by the horrifying accident that landed her in the hospital for weeks? When Lisa finds out that a neighbor is looking for a babysitter for her little boy, Lisa jumps at the chance to keep busy and take her mind off of her troubling thoughts. But then the murders start -- and her friends begin dying one by one. Are Lisa's nightmares coming true? Find out in the next installment of R.L. Stine's Fear Street series, Don't Stay Up Late.

Nora O'Malley's been a lot of girls. As the daughter of a con-artist who targets criminal men, she grew up as her mother's protégé. But when her mom fell for the mark instead of conning him, Nora pulled the ultimate con: escape. For five years Nora's been playing at normal. But she needs to dust off the skills she ditched because she has three problems.

Lola Nox is the daughter of a celebrated horror filmmaker—she thinks nothing can scare her. But when her father is brutally attacked in their New York apartment, she's quickly packed off to live with a grandmother she's never met in Harrow Lake, the eerie town where her father's most iconic horror movie was shot. The locals are weirdly obsessed with the film that put their town on the map—and there are strange disappearances, which the police seem determined to explain away. And there's someone—or something—stalking her every move.

1800, Joseon (Korea). Homesick and orphaned 16-year-old Seol is living out the ancient curse: "May you live in interesting times." Indentured to the police bureau, she's been tasked with assisting a well-respected young inspector with the investigation into the politically charged murder of a noblewoman.

At Academy Absconditi, classes include everything from knife-throwing and poisons to the art of deception. The other students are all children of the world's most elite strategists, in training to become assassins, spies, and master manipulators. November Adley doesn't know why she's been sent to this place, but she'll quickly discover that allies are few in a school where competition is everything. When another student is murdered, all eyes turn to November, who must figure out exactly how she fits in before she is found guilty of the crime...or becomes the killer's next victim.

When she finds her best friend, Meredith, getting sick in the bathroom, Tessa knows something’s majorly wrong. Meredith was cursed years ago, and the dark magic kept her wolf dormant - only now the wolf is awake, and that same spell is killing her. Tessa has no intention of sitting around while Meredith wastes away. Even if it means playing with magic she doesn’t understand, she’ll do anything to save Meredith’s life. Including bargaining with the local coven of witches and its crazed leader, whose only goal is getting Tessa to join the witchy ranks.

The year is 1862 and murderous desires are simmering in England. Nineteen-year-old Sarah Bonetta Forbes (Sally), once a princess of the Egbado Clan, desires one thing above all else: revenge against the British Crown and its system of colonial "humanitarianism," which stole her dignity and transformed her into royal property. From military men to political leaders, she’s vowed to ruin all who’ve had a hand in her afflictions. The top of her list? Her godmother, Britain’s mighty monarch, Queen Victoria herself.

Though he's only 13, Theodore Boone has spent more time in the courtroom than almost anywhere else, and there's always a new adventure waiting. After being falsely accused of vandalism and theft, Theo is happy to finally be out of the hot seat, once more dispensing legal advice to friends and community members, when an exciting new case demands his urgent attention.

Brother detectives Frank and Joe search a hidden castle for clues to help them find a missing comic book in the 19th book in the thrilling Hardy Boys Adventures series.

Marlow's just a regular geeky college freshman with little to no experience with girls, so when he has a semi-flirtatious chat with a cute girl online, it's almost more than his nerves can handle. Then the girl is brutally murdered. Or is she? Marlow finds himself teamed up with intelligent and savvy Sage Farrell, a girl so far out of his league he feels blinded in her presence. Together they work to find the identity of @gingerbreadman. Can they stop the killer before he strikes IRL?

Bienvenue dans la famille Sinclair. Tous sont beaux, riches, sportifs, intelligents. Aucun n'a droit à l'échec. Ils passent leurs étés sur une île privée au large du cap Cod. Cadence est l'aînée des petits-enfants. Voici son histoire et celle des "Menteurs", quatre adolescents à l'amitié indéfectible.

When Ali's best friend, Gabe, is reported missing, Ali is desperate to find him. At the same time, a string of burglaries targets his neighborhood - and even his own house. With his father on trial for a crime he didn't commit, it's up to Ali to search for clues and find his friend. But being a kid sleuth isn't easy - especially when your father warns you not to get involved! - and Ali soon learns that clues aren't always what they seem. Will his detective work lead to a break in Gabe's case or cause even more trouble for the Cross family?

Last summer, Alice Ogilvie’s basketball-star boyfriend Steve dumped her. Then she disappeared for five days. She's not talking, so where she went and what happened to her is the biggest mystery in Castle Cove. Or it was, at least. But now, another one of Steve’s girlfriends has vanished: Brooke Donovan, Alice’s ex-best friend. Enter Iris Adams, Alice’s tutor who has her own reasons for wanting to disappear. The police are convinced Steve is the culprit, but Alice isn’t so sure, and with Iris on her side, she just might be able to prove her theory.

New girl Rachel Chavez turns to horror movies for comfort, preferring stabby serial killers and homicidal dolls to the bored rich kids of Manhattan Prep...and to certain memories she’d preferred to keep buried. Then Rachel is recruited by the Mary Shelley Club, a mysterious society of students who orchestrate Fear Tests, elaborate pranks inspired by urban legends and movie tropes. At first, Rachel embraces the power that comes with reckless pranking. But as the Fear Tests escalate, the competition turns deadly, and it’s clear Rachel is playing a game she can’t afford to lose.

Welcome back to the irresistible world of Greenglass House, where 13-year-old Milo is, once again, spending the winter holidays stuck in a house full of strange guests who are not what they seem. There are fresh clues to uncover as friends old and new join in his search for a mysterious map and a famous smuggler's lost haul. This exciting sequel to a beloved book is sure to thrill both fans and newcomers.

Maximum Ride and her "flock"—Fang, Iggy, Nudge, Gasman and Angel—are just like ordinary kids, only they have wings and can fly. It may seem like a dream come true to some, but their lives can morph into a living nightmare at any time. Angel, the youngest member of the flock, is kidnapped and taken back to the "School" where she and the others were experimented on by a crew of whack jobs. Her friends brave a journey to blazing hot Death Valley, CA, to save Angel, but soon enough, they find themselves in yet another nightmare: fighting off the half-human, half-wolf "Erasers" in New York City.

Je ne savais plus qui croire ou non. Ma vie était en danger à la réserve, ma vie était en danger en dehors de la réserve, ma vie était en danger où que j'aille en fait. Tout ça alors que j'étais supposée être dangereuse, dans le genre tellement-dangereuse-qu'n-ne-devrait-pas-m'approcher. Eter, Sierra, Emriel et Logan étaient aux petits soins évidemment, pour que mon séjour paraisse plus agréable.

Abby Ward lives in a town haunted by disappearances. People vanish, and when they're found, their bodies have been dismembered and sewn back together in unnatural ways. But is it the work of a human killer…or something far darker?

When Wendy Everly first discovers the truth about herself—that she's a changeling switched at birth—she knows her life will never be the same. Now she’s about to learn that there’s more to the story…. She shares a closer connection to her Vittra rivals than she ever imagined—and they’ll stop at nothing to lure her to their side. With the threat of war looming, her only hope of saving the Trylle is to marry a powerful royal. But that means walking away from Finn, her handsome bodyguard who’s strictly off limits… and Loki, a Vittra prince with whom she shares a growing attraction.