Young Adult Fiction Mystery

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.

My life as I know it is over. And no, I'm not being dramatic. I've been living as a human, but now I have to return to my mermaid roots because my dad is the new king of Valora. As soon as we arrive, he sends me to the Dark Sea Academy. Whispers and glares greet me at every turn. Students accuse my dad of killing the previous king, his brother. My first night, the most popular girl tries to kill me. I barely escape, only to run into Bash. He's older and one wrong move from being expelled. Also as gorgeous as he is arrogant.

She is the last of her kind...It is not a peaceful time in the Dells. In King City, the young King Nash is clinging to the throne, while rebel lords in the north and south build armies to unseat him. War is coming. And the mountains and forest are filled with spies and thieves. This is where Fire lives, a girl whose beauty is impossibly irresistible and who can control the minds of everyone around her.

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.

Strange things are happening in Maya's tiny Vancouver Island town. First, her friend Serena, the captain of the swim team, drowns mysteriously in the middle of a calm lake. Then, one year later, mountain lions are spotted rather frequently around Maya's home and her reactions to them are somewhat . . . unexpected. Her best friend, Daniel, has also been experiencing unexplainable premonitions about certain people and situations.

When tragedy strikes close to home, Mickey Bolitar and his loyal new friends - sharp-witted Ema and the adorkably charming Spoon - find themselves at the center of a murder mystery involving their friend Rachel. Now, not only does Mickey have to continue his quest to uncover the truth about the Abeona Shelter and the Butcher of Lodz, he needs to figure out what happened to Rachel - no matter what it takes. Mickey has always been ready to sacrifice everything to help the people he loves.

Vivian Gandalon is a teen-aged werewolf with problems. Her father, the pack leader, was killed in a fire, and so the pack is in disarray. The young male members of the squabbling pack howl for her, but still she feels alienated and alone. To be more than human is a lonely thing. Vivian longs to have friends and fit in at school. She yearns to escape her legacy of violence and forbidden appetites, but the beast within her longs for something elementally deep and rich. She glories in her ability to change from woman to wolf.

Children’s classics for decades, Donald J. Sobol’s Encyclopedia Brown stories have garnered a Young Readers’ Choice Award and a Special Edgar Award. In this installment, the 10-year-old detective’s probing questions continue to trip up thieves, frauds, and others scoundrels—from a watch-scamming bully to a wigged-out FBI’s most wanted.

Dimitri gave Rose the ultimate choice. But she chose wrong...After a long and heartbreaking journey to Dimitri's birthplace in Siberia, Rose Hathaway has finally returned to St. Vladimir's - and to her best friend, Lissa. It is nearly graduation, and the girls can't wait for their real lives beyond the Academy's iron gates to begin. But Rose's heart still aches for Dimitri, and she knows he's out there, somewhere. She failed to kill him when she had the chance. And now her worst fears are about to come true. Dimitri has tasted her blood, and now he is hunting her.

I messed up. I broke two of the Arcane Council's laws in one day. I swear it was an accident - but try telling that to the Arcane authorities. Before I could catch my breath, my simple gypsy life of peddling potions with my guardians is wrenched away. I'm forcibly enrolled into the prestigious and supremely snotty Arcane Arts Academy, given shackles under the guise of mercy for my crimes.

James Spencer is hardly the typical troubled youth who ends up at Whisperwood School for Boys. Instead of hating the strict schedules and tight oversight by staff, James blossoms, quickly making friends, indulging in his love of writing, and contemplating the merits of sneaking love poems to the elusive and aloof William Esher. And, when the normally collected William stumbles in one night, shaken and ranting of ghosts, James is the only one who believes him.

What if Belle's mother cursed the Beast? As Old as Time is the third book in a new YA line that reimagines classic Disney stories in surprising new ways. When Belle touches the Beast's enchanted rose, memories flood through Belle's mind - memories of a mother she thought she would never see again. And, stranger still, she sees that her mother is none other than the beautiful enchantress who cursed the castle and all its inhabitants.

In this volume, Encyclopedia tackles 10 more puzzling cases in his small hometown of Idaville. From petty thieves to moneygrubbing charlatans, Encyclopedia foils all of their dastardly plots using his quick wits and super smarts. Encyclopedia’s adventures are fun and they teach valuable lessons about determination, observation, and problem-solving.

Seventeen-year-old Layla just wants to be normal. But with a kiss that kills anything with a soul, she's anything but normal. Half demon, half gargoyle, Layla has abilities no one else possesses. Raised among the Wardens - a race of gargoyles tasked with hunting demons and keeping humanity safe - Layla tries to fit in, but that means hiding her own dark side from those she loves the most.

A ton of copycat gossip apps have popped up since Simon died, but in the year since the Bayview four were cleared of his shocking death, no one's been able to fill the gossip void quite like he could. The problem is no one has the facts. Until now. This time it's not an app, though - it's a game. Truth or Dare. Phoebe's the first target. If you choose not to play, it's a truth. And hers is dark. Then comes Maeve, and she should know better - always choose the dare. But by the time Knox is about to be tagged, things have gotten dangerous.

Elisabeth Scrivener is finally settling into her new life with sorcerer Nathaniel Thorn. Now that their demon companion Silas has returned, so has scrutiny from nosy reporters hungry for gossip about the city’s most powerful sorcerer and the librarian who stole his heart. But something strange is afoot at Thorn Manor: the estate’s wards, which are meant to keep their home safe, are acting up and forcibly trapping the Manor's occupants inside. Surely it must be a coincidence that this happened just as Nathaniel and Elisabeth started getting closer to one another.

Twelve-year-old criminal mastermind Artemis Fowl has discovered a world below ground of armed and dangerous—and extremely high-tech—fairies. He kidnaps one of them, Holly Short, and holds her for ransom in an effort to restore his family's fortune. But he may have underestimated the fairies' powers. Is he about to trigger a cross-species war?

In their eighth adventure, sisters Sabrina and Daphne Grimm must face their gravest mission yet. The Everafter War is over, and the sisters find themselves trapped in the Book of Everafter—a place where fairy tale characters can affect their own destinies. While trying to save their baby brother, Sabrina and Daphne begin changing events in the story to suit their needs.

Ivy, Mateo, and Cal used to be close. Now all they have in common is Carlton High and the beginning of a very bad day. So when the three unexpectedly run into each other, they decide to avoid their problems by ditching. Just the three of them, like old times. Except they’ve barely left the parking lot before they run out of things to say...until they spot another Carlton High student skipping school - and follow him to the scene of his own murder. In one chance move, their day turns from dull to deadly. And it’s about to get worse.

Sabrina and Daphne Grimm, along with their friends and allies from Ferryport Landing, engage in a climactic battle with the fearsome Mirror. With the future of the Grimms and all the Everafters hanging in the balance, the sisters make a fateful choice to join forces with the members of the Scarlet Hand to defeat Mirror and end this conflict once and for all.