Young Teen Mystery

When Lewis Barnavelt and Rose Rita Pottinger explore an abandoned theater, they discover an unpublished opera score entitled "The Day of Doom". Ignoring a strange omen, they show it to their music teacher, who heralds "The Day of Doom" as a masterpiece. Little do they know that the eerie Henry Vanderhelm, the composer's grandson, arrives - with a plan. A plan to awaken the dead and enslave the world!

Carl and his 15-year-old cousin stumble into a clearing to find the small tarpaper shack with the smoke coming out of the chimney. It may belong to a trapper. Or it could belong to a woodsy - a man who live in the woods because he can’t be with other people. But with night advancing quickly, the boys know they must find shelter from the coming storm - and fast. And that’s how they first meet the Foxman, a strange recluse with a face hideously deformed by a wartime injury. While Carl is just as glad to leave the shack after the storm, his cousin feels strangely drawn to the Foxman.

When Percy Jackson receives an urgent distress call from his friend Grover, he immediately prepares for battle. He knows he'll need his powerful demigod allies, Annabeth and Thalia, at his side; his trusty bronze sword, Riptide; and...a ride from his mom.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

Trinity Marrow has lost the battle and her beloved Protector. Even with both demons and Wardens on her side, Trin may not win the war against the Harbinger. Bringing Lucifer back to the world to fight the Harbinger is probably a really, really bad idea, but they're out of options—and the world's ultimate fallen angel is the only being powerful enough to impact the outcome. As Trin and Zayne form a new and more dangerous bond and Lucifer unleashes Hell on earth, the apocalypse looms and the world teeters on the end of forever. Win or lose, nothing will ever be the same.

To Brooke, image is everything. She works hard to maintain perfect grades, perfect looks, a perfect life—especially after "the incident" that threatened it all. Getting into her dream university puts her that much closer to a fresh start. How can she say no to celebrating with all her classmates? Hanging out with her crush by the bonfire is the perfect end to the night. Except it isn't the end. An old truck starts aggressively tailing Brooke and her best friend on the isolated road toward home. Someone thinks they know the truth about "the incident."

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

School may be out for summer, but top-secret training continues for aspiring spy Ben Ripley - and so does the danger. Ben Ripley is a middle schooler whose school is not exactly average - he's spent the last year training to be a top-level spy and dodging all sorts of associated danger. So now that summer's finally here, Ben's ready to have some fun and relax. Except that's not going to happen, because a spy-in-training's work is never done.

Urgent! An epidemic is sweeping the country. You are among the infected. There is no cure, and you cannot be permitted to infect others. You are now under quarantine. The five percent of the infected who survive are dangerous and will be taken into the custody of the army. Young runaway Callie survived the disease but not the so-called treatment. Her brother, Kai, is still looking for her. And his new friend, Shay, may hold the key to uncovering what truly happened.

When Thomas wakes up in the lift, the only thing he can remember is his name. He's surrounded by strangers - boys whose memories are also gone. Outside the towering stone walls that surround them is a limitless, ever-changing maze. It's the only way out - and no one's ever made it through alive. Then a girl arrives. The first girl ever. And the message she delivers is terrifying: Remember. Survive. Run.

Disguised as a peasant, Cecilia has been hiding for years from the evil people who killed her parents. Now the time has come to reclaim her title. There's just one problem. Princess Desmia - supposedly Cecilia's decoy - believes a different version of the story.

It was a warm summer day in 1951 when Rose Pottinger and Mrs. Zimmermann entered the tunnel. When they had emerged, it was snowing...and the year was 1828. Mrs. Zimmermann had felt that the ghost of Granny Wetherbee, who had taught Mrs. Zimmermann witchery, was in trouble and needed help. So she and Rose Rita had traveled to Pennsylvania where Granny had lived. They never dreamed that they would also journey back to a time long ago where they would encounter a sorcerer more terrifying than either could have imagined.

The New York Times best-selling Mortal Instruments continues - and so do the thrills and danger for Jace, Clary, and Simon. Can the lost be reclaimed? What price is too high to pay for love? Who can be trusted when sin and salvation collide? Darkness threatens to claim the Shadowhunters in the harrowing fifth book of the Mortal Instruments series.

Holly Ash is good actor. Just one downside: Most of the people she’s acting with have no idea they’re a part of her fiction. One that has been carefully constructed by the secretive company that Holly works for, known as D.O.P.L. Every assignment is a new role, a new name, a completely new self. Her newest role is “Margot” and her newest target: a boy her age named Will Aldrich.

Pay close attention, and you might solve this. On Monday afternoon five students at Bayview High walk into detention. Bronwyn, the brain, is Yale-bound and never breaks a rule. Addy, the beauty, is the picture-perfect homecoming princess. Nate, the criminal, is already on probation for dealing. Cooper, the athlete, is the all-star baseball pitcher. And Simon, the outcast, is the creator of Bayview High's notorious gossip app. Only Simon never makes it out of that classroom. Before the end of detention, Simon's dead.

Edgar Award-winning author Donald J. Sobol’s Encyclopedia Brown mysteries star a humble 10-year-old genius. Here Encyclopedia employs all of his detective skills to investigate 10 more brain-twisting cases with his friend Sally. Thieves and crooks of all ages better beware if they roll into Idaville thinking the town is easy pickings. Encyclopedia hasn’t met a case yet that he couldn’t crack—or a criminal he couldn’t help put behind bars.

Red Kenny is on a road trip for spring break with five friends: Her best friend - the older brother - his perfect girlfriend - a secret crush - a classmate - and a killer. When their RV breaks down in the middle of nowhere with no cell service, they soon realize this is no accident. They have been trapped by someone out there in the dark, someone who clearly wants one of them dead. With eight hours until dawn, the six friends must escape, or figure out which of them is the target.

Cassie Hobbes has been working with the FBI since she was a teenager. Now twenty-three years old, she and her fellow Naturals have taken over running the program that taught them everything they know. As a unit, they're responsible for identifying new Naturals—and solving particularly impossible cases. When their latest case brings back a ghost from their past, Cassie and the other Naturals find themselves racing against the clock—and reliving their own childhood traumas.

There's something achingly familiar about Daniel Grigori. Mysterious and aloof, he captures Luce Price's attention from the moment she sees him on her first day at the Sword & Cross boarding school in sultry Savannah, Georgia. He's the one bright spot in a place where cell phones are forbidden, the other students are all screw-ups, and security cameras watch every move.

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.