Teen Fiction Mystery

She never believed in ghosts. But now they might be her only hope to find her missing brother. Shiloh Oleson loves her six-year-old brother more than life. So the headstrong teen’s world shatters when he goes missing after tee-ball practice and her abusive father gives up the search. When Shiloh is approached by a classmate who claims to know where the little boy is, she's ecstatic. That is, until she finds out that there is something seriously weird about how her classmate got this information: She was told by a ghost.

It's all fun and games until somebody ends up in the pound. It's been a busy few days for the Head of Ranch Security, what with routine patrols and not-so-routine combat with headless monsters. When the dust settles, Hank decides to take a break from duty and visit his sister in town.

Alex Sawyer has escaped his underground nightmare to discover the whole world has become a prison, and Alfred Furnace is its master. Monsters rule the streets, leaving nothing but murder in their wake. Those who do not die become slaves to Furnace's reign of cruelty. Alex is a monster too. He is the only one who can stop Furnace but in doing so he could destroy everything. Is he the executed or the executioner? Who will die? All Alex knows is that one way or another, it all ends now.

Freshman footballers Jason Roddin and Tom Jefferson are a perfect pair: Jason is a blazing-fast wide-receiver, while his best friend Tom has all the skills a standout quarterback needs. After summer football camp at an elite sports-focused boarding school, the boys are thrilled to be invited back with full-ride scholarships. But on day one of practice, they're shocked when the team's coaching staff makes Tom, a black kid, a receiver and Jason, a white kid, a quarterback.

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?

Seventeen-year-old Avery Anderson is convinced her senior year is ruined when she's uprooted from her life in DC and forced into the hostile home of her terminally ill grandmother, Mama Letty. The tension between Avery’s mom and Mama Letty makes for a frosty arrival and unearths past drama they refuse to talk about. Every time Avery tries to look deeper, she’s turned away, leaving her desperate to learn the secrets that split her family in two.

The last thing Cammie Morgan remembers is leaving the Gallagher Academy to protect her friends and family from the Circle of Cavan - an ancient terrorist organization that has been hunting her for over a year. But when Cammie wakes up in an Alpine convent and discovers that months have passed, she must face the fact that her memory is now a black hole. The only traces left of Cammie’s summer vacation are the bruises on her body and dirt under her nails, and all she wants is to go home.

Aiden and Meg Falconer are out to find the evidence that will free their parents from a life sentence in prison. But in order to do that, they have to live undercover. Ever since they broke out of a juvenile detention facility, they've been chased by the FBI ... and by a strange killer they've nicknamed Hairless Joe. Now their story has hit the airwaves, and suddenly everyone is looking for the Falconer kids.

Nancy and her friends are spending the weekend in a small mountainside town called Shady Oaks. The local museum is displaying a never-before-seen collection from famous nature photographer, Christopher DeSantos. So the usually sleepy town is now filled with tourists. But it's not just the dramatic lighting of the old black and white photographs that people have come to see.

Sixteen-year-old Jimi knows people change, but nothing could prepare her for what's about to happen to her best friend, Del. Del is obsessed with becoming a chimera: a person who pays back-alley geneticists, known as "genies", to illegally splice animal genes into their own. The resulting physical changes have scared lawmakers into drafting legislation declaring chimeras officially nonpersons, so when Del goes missing, Jimi is desperate to find him before he alters himself forever.

When MI6 Agent Alex Rider wakes up in a hospital, he is thrilled to be alive. Left for dead by his dreaded nemesis Scorpia, Alex has survived to fight another day. Almost immediately, he locks horns with a super-rich Russian businessman who is building a luxury hotel in space.

Mickey Bolitar’s year can’t get much worse. After witnessing his father’s death and sending his mom to rehab, he’s forced to live with his estranged uncle Myron and switch high schools. A new school comes with new friends and new enemies, and lucky for Mickey, it also comes with a great new girlfriend, Ashley. For a while, it seems like Mickey’s train wreck of a life is finally improving—until Ashley vanishes without a trace. Unwilling to let another person walk out of his life, Mickey follows Ashley’s trail into a seedy underworld.

Enola Holmes—younger sister to Sherlock Holmes—is back on another case! As Enola searches for the missing Lady Blanchefleur del Campo, she discovers that her brother Sherlock is just as diligently searching for Enola herself! Sherlock and Enola must solve a triple mystery: What has happened to their mother? And to Lady Blanchefleur? And what does either have to do with their brother, Mycroft?

In Maggie Stiefvater's Shiver, Grace and Sam found each other. In Linger, they fought to be together. Now, in Forever, the stakes are even higher than before. Wolves are being hunted. Lives are being threatened. And love is harder and harder to hold on to as death comes closing in.

How big is our galaxy? Is there life on those distant planets? Are we really made of star dust? And where do stars even come from? In An Earthling's Guide to Outer Space, we finally have the answers to all those questions and more. With clarity, wisdom, and a great deal of enthusiasm, McDonald explores the curiosities of the big blue planet we call home as well as our galactic neighbors - from Martian caves to storm clouds on Jupiter to the nebulae at the far end of the universe.

Winner of the Nero Wolfe Award Mary Russell and Sherlock Holmes return in a series the Chicago Tribune calls "as audacious as it is entertaining and moving." It is 1921 and Mary Russell--Sherlock Holmes's brilliant apprentice, now an Oxford graduate with a degree in theology--is on the verge of...

When the adults of Brockton, Connecticut, morphed into bloodthirsty monsters nine months ago, the students at Jefferson High barricaded themselves inside their school. Now eighteen-year-old Kay is trying to keep her classmates from starving. Kay has no poker face and can't keep her mouth shut, so when she learns a secret that threatens the delicate power balance at Jefferson, she's dragged out of the school in a secret assassination attempt.

Seventeen-year-old Laurie Stratton should be happy. She has beauty, health, a handsome boyfriend, and loving parents. But Laurie has begun to feel the presence of a double, a shadowy figure that hovers just out of her reach. It has appeared to Laurie’s family and friends; it lingers in the shadows of Laurie’s room. Is Laurie going crazy - or is someone, something, trying to take over her life? As Laurie begins to ask questions about her ancestry, she uncovers an eerie mixture of ancient lore and paranormal powers.

Forever altered by his experience in Furnace Penetentiary, Alex has done the impossible and escaped. But the battle for freedom is only just beginning. Charged with his superhuman abilities, Alex must uncover the last of Furnace's secrets - the truth about the man who built the prison, the man known as Alfred Furnace.

Lorsque Maëlla-Rose, Naomi et Juliette arrivent au camp de vacances Cité-Sauvage, elles ne se doutent pas que l’été leur réserve bien des surprises. C’est en découvrant la mystérieuse légende d’une cité disparue qu’elles se retrouvent au cœur d’une sombre forêt en compagnie de Zak, un garçon qui en sait plus que ce qu’il laisse croire. Réussiront-ils à trouver la cité d’Éléalix et à percer tous ses secrets ? Une chose est certaine, l’expédition s’annonce dangereuse et les quatre amis devront faire preuve d’un grand courage pour y arriver.