Teen Mystery

Every day thousands of animals die in laboratory experiments. Some say these experiments provide essential scientific knowledge, while others will do anything to prevent them. James and Lauren Adams are stuck in the middle. They're Cherub agents. Trained professionals with one essential advantage: adults never suspect that children are spying on them. For official purposes, these children do not exist.

Billy et sa soeur vont pouvoir explorer en toute liberté les fonds sous-marins d'une île. En toute liberté ? Pas tout à fait, car il leur est défendu de s'approcher du dangereux récif de corail ! Mais Billy désobéit. Soudain, dans l'eau, quelque chose le frôle. Quelque chose de froid, de sombre et de visqueux. Publié en langue française par Bayard Éditions.

Covered by vines and hidden by trees, the old gatehouse on the edge of the woods has been abandoned for years. But when Trixie and her pal Honey explore it, they discover more than just dust and spiderwebs inside. The two girls find a huge diamond stuck in the dirt floor! Could a ring of jewel thieves be hiding out in Sleepyside?

At only seventeen years old, Ross Quest is already a master thief, especially adept at escape plans. Until her plan to run away from her legendary family of thieves takes an unexpected turn, leaving her mother’s life hanging in the balance. In a desperate bid, she enters the Thieves’ Gambit, a series of dangerous, international heists where killing the competition isn’t exactly off limits, but the grand prize is a wish for anything in the world—a wish that could save her mom.

When Sawyer Taft agrees to move in with her grandmother, she expects some things to be different, but what she doesn't expect is to get sucked into a group of over-privileged, yet somehow lovable debs who have kidnapped one of their own in hopes of blackmailing her into keeping their secrets under wraps - secrets that are far bigger and more scandalous than anyone could have imagined. As Sawyer works to uncover the identity of her father, she must also navigate the twisted relationships between her new friends and their powerful parents and help them discover the villain among them.

Helen Vaughan doesn't know why she and her mother left their ancestral home at Harrowstone Hall, called Harrow, or why they haven't spoken to their extended family since. So when her grandfather dies, she's shocked to learn that he has left everything—the house, the grounds, and the money—to her. The inheritance comes with one condition: She must stay on the grounds of Harrow for one full year, or she'll be left with nothing. There is more at stake than money. For as long as she can remember, Harrow has haunted Helen's dreams.

Joseon (Korea), 1758. There are few options available to illegitimate daughters in the capital city, but through hard work and study, 18-year-old Hyeon has earned a position as a palace nurse. All she wants is to keep her head down, do a good job, and perhaps finally win her estranged father's approval. But Hyeon is suddenly thrust into the dark and dangerous world of court politics when someone murders four women in a single night, and the prime suspect is Hyeon's closest friend and mentor. Determined to prove her teacher's innocence, Hyeon launches her own secret investigation.

Eli and his family have lived in the Compound for six years. The world they knew is gone. Eli's father built the Compound to keep them safe. Now, they can't get out. He won't let them.

One week after their 11th birthday, the Fowl twins - scientist Myles, and Beckett, the force of nature - are left in the care of house security (NANNI) for a single night. In that time they befriend a troll who has clawed his way through the earth's crust to the surface. Unfortunately for the troll, he is being chased by a nefarious nobleman and an interrogating nun, who both need the magical creature for their own gain, as well as a fairy-in-training who has been assigned to protect him. The boys and their new troll best friend escape and go on the run.

Scorpia has dogged Alex Rider for most of his life. They killed his parents, they did their best to con Alex into turning traitor, and they just keep coming back with more power. Now the world's most dangerous terrorist organization is playing with fire in the world's most combustible land: the Middle East. No one knows Scorpia like Alex. And no one knows how best to get to Alex like Scorpia. And this time, Alex won't get away.

J is a student at a school deep in a forest far away from the rest of the world. J is one of only 26 students, all of whom think of the school’s enigmatic founder as their father. J’s peers are the only family he has ever had. The students are being trained to be prodigies of art, science, and athletics, and their life at the school is all they know - and all they are allowed to know. But J suspects that there is something out there, beyond the pines, that the founder does not want him to see, and he’s beginning to ask questions. What is the real purpose of this place?

Stevie Bell solved the case of Truly Devious, and now she’s taking her detecting skills abroad when she becomes embroiled in a mystery from 1990s England. Another pulse-pounding and laugh-out-loud stand-alone mystery from New York Times bestselling author Maureen Johnson.

If you like quirky characters, lots of twists and turns in your mysteries, and a whole lot of fun, then The Witch Squad is for you! Included in this collection are the first three books: The Witch Squad, Son of a Witch, and Witch Degrees of Separation.

Arriving in another new town, Amelia Collins vows to fit in and finish her senior year drama free. There can’t be any mistakes. Staying under the radar is what keeps Amelia one step ahead of the man who is trying to find and destroy her. But when she’s befriended by a group of students who make her feel safe and loved, Amelia struggles to maintain her distance, especially when faced with her feelings for Aiden Parker, whose piercing gray eyes and strength weaken her resolve.

When two Niveus Private Academy students, Devon Richards and Chiamaka Adebayo, are selected to be part of the elite school’s senior class prefects, it looks like their year is off to an amazing start. After all, not only does it look great on college applications, but it officially puts each of them in the running for valedictorian, too. Shortly after the announcement is made, though, someone who goes by Aces begins using anonymous text messages to reveal secrets about the two of them that turn their lives upside down and threaten every aspect of their carefully planned futures.

She won't rest until she's sent every walking corpse back to its grave. Forever. Had anyone told Alice Bell that her entire life would change course between one heartbeat and the next, she would have laughed. From blissful to tragic, innocent to ruined? Please. But that's all it took. One heartbeat. A blink, a breath, a second, and everything she knew and loved was gone. Her father was right. The monsters are real.

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.

Following the grief and horror of her discovery of Jack the Ripper's true identity, Audrey Rose Wadsworth has no choice but to flee London and its memories. Together with the arrogant yet charming Thomas Cresswell, she journeys to the dark heart of Romania, home to one of Europe's best schools of forensic medicine...and to another notorious killer, Vlad the Impaler, whose thirst for blood became legend.

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

After spending the summer at home in Connecticut, Emmy is eager to return to her friends at Wellsworth. Before she leaves, she receives a key to a safety-deposit box and a letter from her father, telling her to hide the surviving relics and to trust no one. When she returns to school, she realizes her best friend, Lola, is being framed by the Order for a crime she didn't commit. Jonas informs Emmy if she gives up her father, he'll set things right. It all comes to a head at an exhibit on Medieval manuscripts at the British Library. Will Emmy be able to stop them once and for all?