Young Adult Fiction Mystery

Frank and Joe Hardy have been invited to take part in a conservation mission by a marine biologist at the Bayport Aquarium. The boys get to go on an all-expenses-paid trip to the lush and beautiful Florida Keys to help save sharks! But the trip’s purpose is suddenly sidelined when a paddle boarder goes missing, and rumors start that the disappearance is the result of a shark attack. After spending so much time learning about the local shark population, the Hardy Boys aren’t buying the story.

When local girl Loren includes Mara in a traditional Blackfeet Giveaway to honor Loren’s missing sister, Mara thinks she’ll finally make some friends on the Blackfeet reservation. Instead, a girl from the Giveaway, Samantha White Tail, is found murdered. Because the four members of the Giveaway group were the last to see Samantha alive, each becomes a person of interest in the investigation. And all of them—Mara, Loren, Brody, and Eli—have a complicated history with Samantha.

Hunter and Mercy Goode are twin witches, direct descendants of the founder of their town of Goodeville. As their ancestors have done before them, it is now time for the twins to learn what it means to be Gatekeepers - the protectors of the Gates to different underworlds, ancient portals between their world and realms where mythology rules and nightmares come to life.

Mr. Griffin is the strictest teacher at Del Norte High, with a penchant for endless projects and humiliating his students. Even straight-A student Susan can't believe how mean he is to the charismatic Mark Kinney. So when her crush asks Susan to help a group of students teach a lesson of their own, she goes along. After all, it's a harmless prank, right? But things don't go according to plan. When one "accident" leads to another, people begin to die....

Ed Kennedy is an underage cabdriver without much of a future. He's pathetic at playing cards, hopelessly in love with his best friend, Audrey, and utterly devoted to his coffee-drinking dog, the Doorman. His life is one of peaceful routine and incompetence, until he inadvertently stops a bank robbery.

With her trademark lyricism, Maggie Stiefvater turns to a new world, where a pair are swept up in a daring, dangerous race across a cliff—with more than just their lives at stake should they lose.

Je vivais une vie bien tranquille jusqu'à ce que Logan Archer débarque sur le parking du lycée pour m'aider. Au-delà du fait que c'était LE type populaire de l'école, qu'il avait réussi à réparer ma voiture en si peu de temps que ça tenait presque de la magie, il fallait aussi avouer qu'il était mystérieux. Et mystérieusement magnifique aussi, mais ça c'était un détail. Il traînait toujours avec ses trois amis : Eter, silencieux comme une tombe, Emriel et Sierra, aussi adorables que talentueux.

Sydney Sage is an alchemist, one of a group of humans who dabble in magic and serve to bridge the worlds of humans and vampires. They protect vampire secrets - and human lives. In the Indigo Spell, Sydney was torn between the alchemist way of life and what her heart and gut were telling her to do. And in one breathtaking moment that Richelle Mead fans will never forget, she made a decision that shocked even her...But the struggle isn't over for Sydney. As she navigates the aftermath of her life-changing decision, she still finds herself pulled in too many directions at once.

When 15-year-old Janie Johnson sees her own face in the missing children box on a milk carton, her world begins to blur. Was she kidnapped when she was a baby? Who are her parents? And who are Mr. and Mrs. Johnson? Janie’s search for the answers will lead her back twelve years into memories of another house, another family, another life. Her questions threaten to destroy the love she feels for her parents and the security they have given her. But it is a search she cannot ignore. The Face on the Milk Carton has been extremely popular ever since it was first released.

A Clue found in Book 3 sends Amy and Dan jetting off to find out just what's behind the fierce rivalry between the Tomas and Ekaterina branches of the Cahill family. Was a Clue stolen from the Tomas branch? Where is it now? And most important, can Amy and Dan get their hands on it before their rivals do? It's a wild race that will take Amy and Dan deep into the bowels of the earth... and right into the hands of the enemy.

Nearly six months after Kate and August were first thrown together, the war between the monsters and the humans is a terrifying reality. In Verity, August has become the leader he never wished to be, and in Prosperity, Kate has become the ruthless hunter she knew she could be. When a new monster emerges from the shadows—one who feeds on chaos and brings out its victim’s inner demons—it lures Kate home, where she finds more than she bargained for. She’ll face a monster she thought she killed, a boy she thought she knew, and a demon all her own.

Tough, brainy alchemist Sydney Sage and doe-eyed Moroi princess Jill Dragomir are in hiding at a human boarding school in the sunny, glamorous world of Palm Springs, California. The students - children of the wealthy and powerful - carry on with their lives in blissful ignorance, while Sydney, Jill, Eddie, and Adrian must do everything in their power to keep their secret safe. But with forbidden romances, unexpected spirit bonds, and the threat of Strigoi moving ever closer, hiding the truth is harder than anyone thought.

It's a hot, hot summer, and in the depths of the Toronto Transit Authority's Lost and Found, 17-year-old Duncan is cataloging lost things and sifting through accumulated junk. And between Jacob, the cranky old man who runs the place, and the endless dusty boxes overflowing with stuff no one will ever claim, Duncan's just about had enough. Then he finds a little leather book. It's a diary filled with the dark and dirty secrets of a twisted mind, a serial killer stalking his prey in the subway. And Duncan can't make himself stop reading.

After staking out, obtaining, and then being forced to give up her first boyfriend, Josh, all Cammie Morgan wants is a peaceful semester. But that's easier said than done when you're a CIA legacy and go to the premier school in the world...for spies. Cammie may have a genius I.Q., but there are still a lot of things she doesn't know. Like, will her ex-boyfriend even remember she exists? And how much trouble is she really in after what happened last semester? And most of all, why is her mother acting so strangely?

"JOE!" Frank suddenly yelled behind me, but it was too late. A dark shape advanced on us from inside the doorway, and a bag was thrown over my head again. I could hear them doing the same to Frank too. Arms reached out and roughly pulled me inside....

She will become one of the world's greatest heroes: Wonder Woman. But first she is Diana, princess of the Amazons. And her fight is just beginning. Diana longs to prove herself to her legendary warrior sisters. But when the opportunity finally comes, she throws away her chance at glory and breaks Amazon law - risking exile - to save a mere mortal. Even worse, Alia Keralis is no ordinary girl and with this single brave act, Diana may have doomed the world.

Hawk doesn't know her real name. She doesn't know who her family was, or where they went. The only thing she remembers is that she was told to wait on a specific street corner, at a specific time, until her parents came back for her. She stays under the radar to survive...until a destiny that's perilously close to Maximum Ride's forces her to take flight. Someone is coming for her. But it's not a rescue mission. It's an execution.

What do the queen bee, star athlete, valedictorian, stoner, loner, and music geek all have in common? They were all invited to a scholarship dinner, only to discover it’s a trap. Someone has locked them into a room with a bomb, a syringe filled with poison, and a note saying they have an hour to pick someone to kill...or else everyone dies.

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 for generations. 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 and most infamous plantation, Ethan is inexplicably drawn to her and determined to uncover the connection between them.

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.