Young Adult Mystery Thriller

The only thing sixteen-year-old Mullory Prudence has left of her mom is a warning: "Run if the strange finds you." But mysterious warnings don’t pay the bills or help take care of her sick Gran. And they certainly don’t make her miserable after-school job any more bearable. When unexpected letters start appearing in peculiar places–sealed in bags of dog food and hidden in the refrigerator–Mullory knows she should avoid them to heed her mother’s warning, but her curiosity thinks otherwise.

Devin Green wakes in the middle of the night to find two men in her bedroom. No stranger to a fight, she calls to her foster parents for help, but it soon becomes clear this is a planned abduction—one everyone but Devin signed up for. She’s shoved in a van and driven deep into the Idaho woods, where she’s dropped off with a cohort of equally confused teens. Finally, two camp counselors inform them that they've all been enrolled in an experimental therapy program.

Que feriez-vous si vous receviez l'héritage d'un inconnu milliardaire convoité par ses sulfureux petits-fils ? Depuis bientôt un an, Avery Grambs vit dans la demeure des Hawthorne. À présent majeure, elle va officiellement devenir milliardaire.

Lena Duchannes is unlike anyone the small Southern town of Gatlin has ever seen, and she's struggling to conceal her power, and a curse that has haunted her family. But even within the overgrown gardens, murky swamps, and crumbling graveyards of the forgotten South, a secret cannot stay hidden forever. Ethan Wate, who has been counting the months until he can escape from Gatlin, is haunted by dreams of a beautiful girl he has never met. When Lena moves into the town's oldest plantation, Ethan is inexplicably drawn to her and determined to uncover the connection between them.

A bag of chips. That's all 16-year-old Rashad is looking for at the corner bodega. What he finds instead is a fist-happy cop, Paul Galluzzo, who mistakes Rashad for a shoplifter, mistakes Rashad's pleadings that he's stolen nothing for belligerence, mistakes Rashad's resistance to leave the bodega as resisting arrest, mistakes Rashad's every flinch at every punch the cop throws as further resistance and refusal to STAY STILL as ordered.

Some time has passed since the inimitable quartet of Reynie, Sticky, Kate, and Constance have had a mission together. But with the arrival of a new Society member - and a new threat - they must reunite to face dilemmas more dangerous than ever before, including the villainous Mr. Curtain and a telepathic enemy tracking their every move, not to mention a dramatically preteen Constance. In its triumphant return, the Society encounters all new challenges, but the series' trademark sly humor, sweet camaraderie, hairsbreadth escapes, and mind-bending puzzles are all as engaging as ever.

Emilia is reeling from the shocking discovery that her twin sister, Vittoria, is alive. But before she faces the demons of her past, Emilia yearns to claim her king, the seductive Prince of Wrath, in the flesh. Emilia doesn’t simply desire his body, she wants his heart and soul—but that’s something the enigmatic demon can’t promise her. When a high-ranking member of House Greed is assassinated, Emilia and Wrath are drawn to the rival demon court. Damning evidence points to Vittoria as the murderer, and she’s quickly declared an enemy of the Seven Circles.

Everyone's favorite game maker, Mr. Lemoncello, is testing out his new Fabulous Fact-Finding Frenzy game! If Kyle can make it through the first round, he and the other lucky finalists will go on a great race - by bicycle, bookmobile, and even Mr. Lemoncello's corporate banana jet - to find fascinating facts about famous Americans. The first to bring their facts back to the library will win spectacular prizes! But when a few surprising "facts" surface about Mr. Lemoncello, it might be go to jail and lose a turn all at once!

Arcadia “Dia” Gannon has been obsessed with Louisiana Veda, the game designer whose obsessive creations and company, Darkly, have gained a cultlike following. Dia is shocked when she’s chosen for a highly-coveted internship, along with six other teenagers from around the world. Why her? Dia has never won anything in her life. Darkly, once a game-making empire renowned for its ingenious and utterly terrifying toys and games, now lies dormant after Veda’s mysterious death. The remaining games are priced like rare works of art, with some fetching millions of dollars at auction.

This is a story about three idiot wannabe detectives: J.J. and Valentine Watts and their new friend Trudi de la Rosa. Again, they’re idiots, but in a fun way where they go on adventures and occasionally use swear words. In this book, they’re riding a train on official Ghost Hunters Adventure Club business when an old friend from the past shows up to ruin everything. It’s up to our three young adventurers to solve the mystery of the Express Train to Nowhere before they’re locked away forever for a crime they didn’t even commit.

Having defeated the monstrous threat that nearly destroyed the peculiar world, Jacob Portman is back where his story began, in Florida. Except now Miss Peregrine, Emma, and their peculiar friends are with him, and doing their best to blend in. But carefree days of beach visits and normalling lessons are soon interrupted by a discovery - a subterranean bunker that belonged to Jacob’s grandfather, Abe.

For Tess Kendrick, a junior at the elite Hardwicke School in Washington, DC, fixing runs in the family. But Tess has another legacy, too, one that involves power and the making of political dynasties. When Tess is asked to run a classmate's campaign for student council, she agrees. But when the candidates are children of politicians, even a high school election can involve life-shattering secrets. Meanwhile, Tess' guardian has also taken on an impossible case, as a terrorist attack calls into doubt who can - and cannot - be trusted on Capitol Hill.

When 16-year-old Tess Kendrick is sent to live with her older sister, Ivy, she has no idea that the infamous Ivy Kendrick is Washington, DC's number-one "fixer" - known for making politicians' scandals go away for a price. No sooner does Tess enroll at Hardwicke Academy than she unwittingly follows in her sister's footsteps and becomes DC's premier high school fixer, solving problems for elite teens.

Tamora Pierce brings readers another Tortall adventure! Alianne is the teenage daughter of the famed Alanna, the first lady knight in Tortall. Young Aly follows in the quieter footsteps of her father, however, delighting in the art of spying. When she is captured and sold as a slave to an exiled royal family in the faraway Copper Islands, it is this skill that makes a difference in a world filled with political intrigue, murderous conspiracy, and warring gods.

After: Jess is alone. Her cabin has burned to the ground. She knows if she doesn't act fast, the cold will kill her before she has time to worry about food. But she is still alive - for now. Before: Jess hadn't seen her survivalist, off-the-grid dad in more than a decade. But after a car crash killed her mother and left her injured, she was forced to move to his cabin in the remote Canadian wilderness. Just as Jess was beginning to get to know him, a secret from his past paid them a visit, leaving her father dead and Jess stranded.

Eighteen-year-old Bel has lived her whole life in the shadow of her mom’s mysterious disappearance. Sixteen years ago, Rachel Price vanished and young Bel was the only witness, but she has no memory of it. Rachel is gone, long presumed dead, and Bel wishes everyone would just move on. But the case is dredged up from the past when the Price family agrees to a true crime documentary. Bel can’t wait for filming to end, for life to go back to normal. And then the impossible happens. Rachel Price reappears, and life will never be normal again.

When 15-year-old Oscar Drai suddenly vanishes from his boarding school in Barcelona, no one knows his whereabouts for seven days and seven nights. His story begins when he meets the strange Marina while he's exploring an old quarter of the city. She leads Oscar to a cemetery, where they watch a macabre ritual that occurs on the last Sunday of each month. At exactly 10 o'clock in the morning, a woman shrouded in a black velvet cloak descends from her carriage to place a single rose on an unmarked grave.

A year ago, beloved cheerleader Stella Blackthorn vanished without a trace. Devastated, her younger sister, Iris, launched her own investigation, but all she managed to do was scare off the police’s only lead and earn a stern warning: Once she turns 18, more meddling means prison-level consequences. Then, a year later, the unthinkable happens. Iris’s ex-girlfriend, Heather, goes missing, too—just after dropping the polarizing last episode of her true crime podcast all about Iris’s sister. This time, nothing will stop Iris and her amateur sleuthing agency from solving these disappearances.

Jagged Island: a private amusement park for the very rich—or the very influential. Liam, James, Will, Ava, Harper, and Paisley—social media influencers with millions of followers—have been invited for an exclusive weekend before the park opens. They’ll make posts and videos for their channels and report every second of their VIP treatment. When the teens arrive, they're stunned: the resort is even better than they’d imagined. But soon they'll discover that something's missing from their schedule: getting off the island alive.

Around the world, black handprints are appearing on doorways, scorched there by winged strangers who have crept through a slit in the sky. In a dark and dusty shop, a devil's supply of human teeth grown dangerously low. And in the tangled lanes of Prague, a young art student is about to be caught up in a brutal otherwordly war. Meet Karou. She fills her sketchbooks with monsters that may or may not be real; she's prone to disappearing on mysterious "errands"; she speaks many languages—not all of them human; and her bright blue hair actually grows out of her head that color.