Young Adult Mystery Thriller

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.

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....

Eighteen-year-old Bel has lived her whole life in the shadow of her mom’s mysterious disappearance. Sixteen years ago, Rachel Price vanished and young Bel was the only witness, but she has no memory of it. Rachel is gone, long presumed dead, and Bel wishes everyone would just move on. But the case is dredged up from the past when the Price family agrees to a true crime documentary. Bel can’t wait for filming to end, for life to go back to normal. And then the impossible happens. Rachel Price reappears, and life will never be normal again.

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.

It was a mistake to trust him. Shivering and bruised, a teen wakes up on the side of a dirt road with no memory of how she got there—or who she is. The police don’t know where she came from until a frantic man arrives at the station. He’s been searching for her for hours. He has her school ID, her birth certificate, and even family photos.

Robert Langdon, professor of religious symbology at Harvard, is in Paris to give a lecture. At the reception that follows, he is scheduled to meet with a revered curator from the world-famous Louvre museum. But the curator never shows up, and later that night Langdon is awakened by authorities and told that the curator has been found dead. He is then taken to the Louvre - the scene of the crime - where he finds out that baffling clues have been left behind.

A terrorist doesn't let strangers in her flat because they might be undercover police or intelligence agents, but her children bring their mates home and they run all over the place. The terrorist doesn't know that a kid has bugged every room in her house, cloned the hard drive on her PC, and copied all the numbers in her phone book. The kid works for Cherub. Cherub agents are aged between 10 and 17. They live in the real world, slipping under adult radar and getting information that sends criminals and terrorists to jail.

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.

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.

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.

Thirteen-year-old Emily Poe has been given the opportunity of a lifetime: A chance to attend the exclusive Audyn School in Manhattan. But to win the scholarship, she has to pass a test like nothing she’s ever experienced before: A nearly bare room, a set of strange clues, a locked door. And a mysterious organization - the Leopold Foundation - that’s watching her every move.

In this volume, Encyclopedia tackles 10 more puzzling cases in his small hometown of Idaville. From petty thieves to moneygrubbing charlatans, Encyclopedia foils all of their dastardly plots using his quick wits and super smarts. Encyclopedia’s adventures are fun and they teach valuable lessons about determination, observation, and problem-solving.

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.

Celebrate the 10th anniversary of Twilight. This special 10th anniversary edition includes the original novel as well as exclusive new bonus content. Listeners will relish experiencing the iconic love story of Bella and Edward again...or for the very first time.

In the shocking finale to the best-selling series that began with Stalking Jack the Ripper, Audrey Rose and Thomas are on the hunt for the depraved, elusive killer known as the White City Devil. A deadly game of cat-and-mouse has them fighting to stay one step ahead of the brilliant serial killer - or see their fateful romance cut short by unspeakable tragedy.

To be irrevocably in love with a vampire is both fantasy and nightmare, woven into a dangerously heightened reality for Bella Swan. Pulled in one direction by her intense passion for Edward Cullen, and in another by her profound connection to werewolf Jacob Black, she has endured a tumultuous year of temptation, loss, and strife to reach the ultimate turning point.

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.

When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night - dressed like a ninja and plotting an ingenious campaign of revenge - he follows her. Margo’s always planned extravagantly, and, until now, she’s always planned solo. After a lifetime of loving Margo from afar, things are finally looking up for Q...until day breaks and she has vanished. Always an enigma, Margo has now become a mystery. But there are clues. And they’re for Q.

Thirteen-year-old Ben Ripley has had a lot of field success despite only just beginning his second year at Spy School, something graduates rarely experience. But he'd never have survived without the help from experienced agents and his friends. Now he's been called in on a solo mission - and the fate of the United States of America is on his shoulders alone. The mission: Prevent a presidential assassination by infiltrating the White House and locating the enemy operative.