Young Adult Mystery Thriller

Paint a mural. Start a battle. Change the world. Sierra Santiago planned an easy summer of making art and hanging out with her friends. But then a corpse crashes the first party of the season. Her strokeridden grandfather starts apologizing over and over. And when the murals in her neighborhood begin to weep real tears... Well, something more sinister than the usual Brooklyn ruckus is going on.

Nancy is helping out her Dad’s friend, Louise Alain, and her dog, Marge, at an upcoming dog show in Montreal. Marge is a professional and needs someone she can trust to handle her at the biggest show of the season. Nancy is happy to oblige, especially since Louise invited Bess and George as well! Of course, the three friends are investigating a crime within hours of their arrival. One of the show dogs was drugged and a giant wad of gum was matted into its hair.

Adina Walker has known this the entire time she’s been on scholarship at the prestigious Edgewater Academy—a school for the rich (and mostly white) upper class of New England. It’s why she works so hard to be perfect and above reproach, no matter what she must force beneath the surface. Even one slip can cost you everything.

Ever since Margot was born, it’s been just her and her mother. No answers to Margot’s questions about what came before. No history to hold on to. No relative to speak of. Just the two of them, stuck in their run-down apartment, struggling to get along. But that’s not enough for Margot. She wants family. She wants a past. And she just found the key she needs to get it: A photograph, pointing her to a town called Phalene. Pointing her home. Only, when Margot gets there, it’s not what she bargained for. Margot’s mother left for a reason.

The students in class 6B become nervous when their teacher receives an anonymous note claiming someone in the room is a witch. For in this society, witches are outlawed, whether they are good or bad. In fact, witches are burned at the stake, because that's the law.

The Black Death has returned to London, spreading disease and fear through town. A mysterious prophet predicts the city's ultimate doom - until an unknown apothecary arrives with a cure that actually works. Christopher's Blackthorn shop is chosen to prepare the remedy. But when an assassin threatens the apothecary's life, Christopher and his faithful friend, Tom, are back to hunting down the truth, risking their lives to untangle the heart of a dark conspiracy.

The Hardy Boys are visiting Paris! Joe is excited to check out all the street art he's heard about. And Frank can't wait to go to all the museums he's researched. On their very first day in the city, the brothers are woken up early in the morning by fireworks. But these are no ordinary fireworks. They are a part of elaborate cover for the heist of a priceless artifact.

"I do have an idea. The most important thing, though," I said to Margot, Mrs. Marvin, and Catherine, "is for you to act completely normal. Our big advantage is that the thief doesn't think that anyone will check the safe until we're already back in River Heights and he or she is off the boat. The culprit has no idea that we're looking for him or her."

1426, Joseon (Korea). Hwani's family has never been the same since she and her younger sister went missing and were later found unconscious in the forest near a gruesome crime scene. Years later, Detective Min - Hwani's father - learns that 13 girls have recently disappeared from the same forest that nearly stole his daughters. He travels to their hometown on the island of Jeju to investigate...only to vanish as well.

P.C. and Mackenzie's friend, Tom the janitor, has been accused of murdering the head biologist at New York City's Museum of Natural History. But they know Tom couldnï¿¿ï¿¿ï¿¿t be the real killer, so they begin investigating. Exploring the crime scene and digging deep, they uncover a strange, precious artifact and a huge arachnid at the heart of the mystery.

Erin Blake has one of those names. A name that, like Natalee Holloway or Elizabeth Smart, is inextricably linked to a grisly crime. As a toddler, Erin survived for three days alongside the corpse of her murdered mother, and the case - which remains unsolved - fascinated a nation. Her father's identity unknown, Erin was taken in by her mother's best friend and has become a relatively normal teen in spite of the looming questions about her past.

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?

Tana lives in a world where walled cities called Coldtowns exist. In them, quarantined monsters and humans mingle. But once you pass through Coldtown's gates, you can never leave. One morning, after a perfectly ordinary party, Tana wakes up surrounded by corpses. The only other survivors are her exasperatingly endearing ex-boyfriend, infected and on the edge, and a mysterious boy burdened with a terrible secret. Shaken and determined, Tana enters a race against the clock to save the three of them by going straight to Coldtown's opulent heart.

Ryan has saved Ethan's life more than once. Ethan thinks he must be a guardian angel. But Ryan works for CHERUB, a secret organisation with one key advantage: even experienced criminals never suspect that children are spying on them. Ethan's family runs a billion-dollar criminal empire, and Ryan's job is to destroy it. Can Ryan complete his mission without destroying Ethan as well? For official purposes, these children do not exist.

Once Amy and Dan Cahill's choice was simple - take a million dollars or the first of 39 Clues that lead to the source of unimaginable power. Now it's clear that the hunt for Clues is bigger than anything that Amy and Dan could ever have imagined.

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.

Amy and Dan make shocking discoveries about their family's power and their parents' deaths as they track the next clue to a remote corner of the world.

Seduced by the Secret Circle, a coven of young witches whose power has controlled New Salem for 300 years, Cassie falls hopelessly in love with the leader's boyfriend and falls prey to dark powers.

Like any other teenager, Jess Flynn is just trying to get through her junior year without drama...but drama seems to keep finding her. Between a new crush on her childhood best friend, overprotective parents cramping her social life, and her younger sister’s worsening health, the only constant is change - and her hometown of Swickley, which feels smaller by the day. Swickley is getting weirder by the day, too. Half the population has been struck down by a mysterious flu. Conversations end awkwardly when Jess enters the room.

Dans un lycée américain, cinq adolescents sont collés : Bronwyn (l'élève parfaite), Addy (la fille populaire), Nate (le délinquant), Cooper (la star du baseball) et Simon (le gossip boy du lycée). Mais Simon ne ressortira jamais vivant de cette heure de colle... Et les enquêteurs en sont vite sûrs, sa mort n'est pas accidentelle. Dès lors qu'un article écrit par Simon contenant des révélations sur chacun d'eux est découvert, Bronwyn, Addy, Nate et Cooper deviennent les principaux suspects du meurtre.