Young Teen Mystery

Acclaimed children's author Avi's many accolades include a Newbery Medal and Boston Globe-Horn Book Award. Inspired by true stories from the American Revolution, Sophia's War begins in 1776, when British troops arrive on the doorstep of 12-year-old Sophia Calderwood's home in New York. After the disappearance and possible capture of her brother - and the execution of Nathan Hale - Sophia has vowed to do all she can to help the cause for independence. But the war will test her in ways she never imagined

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.

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.

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.

Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

Half-angel Trinity and her bonded gargoyle protector, Zayne, have been working with demons to stop the apocalypse while avoiding falling in love. The Harbinger is coming…but who or what is it? All of humankind may fall if Trinity and Zayne can’t win the race against time as sinister forces gather. As tensions rise, they must stay close together and patrol the DC streets at night, seeking signs of the Harbinger, an entity that is killing Wardens and demons with no seeming rhyme or reason.

With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal, or as normal as possible when you’re a superspy in training. Until someone bombs the CIA conference room next door. To Ben’s astonishment, the attacker is none other than Erica Hale, the spy-in-training he respects more than any other.

When Ren Sharpe was 14, she was kidnapped by a shadowy organization called FATE and trained to be a human weapon. Now, four years later, she receives her assignment: protect Gareth Young at all costs. Currently a student at Texas A&M, Gareth will someday change the world. FATE calls people like Gareth "FIPs" - future important people - and they're everywhere, each with a FATE-trained shadow.

Layla Shaw is trying to pick up the pieces of her shattered life - no easy task for a 17-year-old who's pretty sure things can't get worse. Her impossibly gorgeous best friend, Zayne, is forever off-limits thanks to the mysterious powers of her soul-stealing kiss. The Warden clan that has always protected her is suddenly keeping dangerous secrets. And she can barely think about Roth, the wickedly hot demon prince who understood her in ways no one else could.

Nobody Owens is an unusual boy who inhabits an unusual place - he's the only living resident of a graveyard. Raised from infancy by the ghosts, werewolves, and other cemetery denizens, Bod has learned the antiquated customs of his guardians' time as well as their ghostly teachings - such as the ability to Fade so mere mortals cannot see him.

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?

It’s winter break at St. Vladimir’s, but Rose is feeling anything but festive. A massive Strigoi attack has put the school on high alert, and now the Academy’s crawling with Guardians - including Rose’s hard-hitting mother, Janine Hathaway. And if hand-to- hand combat with her mom wasn’t bad enough, Rose’s tutor Dimitri has his eye on someone else, her friend Mason’s got a huge crush on her, and Rose keeps getting stuck in Lissa’s head while she’s making out with her boyfriend, Christian.

Bianca has never been good at following the plan. She's more of an act-now, deal-with-the-consequences-later kind of person. But consequences can't be put off forever, as Bianca learns when she and her best friend, Lonnie, are in a terrible car crash. Waking up in the hospital, almost paralyzed by her injuries, Bianca is faced with questions she's not equipped to answer. She chooses instead to try a new virtual-reality version of Minecraft that responds to her every wish, giving her control over a world at the very moment she thought she'd lost it.

The Solomon Grimoire - a powerful book of magic - has gone missing. When John and Philippa are chosen to retrieve it, their quest sends them trotting across the globe. But what they don't know is they are being lured into a trap by the Blue Djinn. When Philippa falls right into the trap, John must embark on a perilous adventure to save his sister.

Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now, it’s up to her to save the world.... Decades ago, Albert Einstein devised an equation that could benefit all life on earth - or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first - even though this means placing her life in grave danger.

Twelve-year-old criminal mastermind Artemis Fowl has discovered a world below ground of armed and dangerous—and extremely high-tech—fairies. He kidnaps one of them, Holly Short, and holds her for ransom in an effort to restore his family's fortune. But he may have underestimated the fairies' powers. Is he about to trigger a cross-species war?

Jay Reguero plans to spend the last semester of his senior year playing video games before heading to the University of Michigan in the fall. But when he discovers that his Filipino cousin Jun was murdered as part of President Duterte's war on drugs, and no one in the family wants to talk about what happened, Jay travels to the Philippines to find out the real story. Hoping to uncover more about Jun and the events that led to his death, Jay is forced to reckon with the many sides of his cousin before he can face the whole horrible truth - and the part he played in it.

Father John controls everything inside The Fence. And Father John likes rules. Especially about never talking to Outsiders. Because Father John knows the truth. He knows what is right, and what is wrong. He knows what is coming. Moonbeam is starting to doubt, though. She's starting to see the lies behind Father John's words. Then a fire engulfs life as she knew it, and Moonbeam is forced outside The Fence into a world she does not recognize.

Together with her parabatai, Julian Blackthorn, Emma must learn to trust her head and her heart as she investigates a demonic plot that stretches across Los Angeles, from the Sunset Strip to the enchanted sea that pounds the beaches of Santa Monica. If only her heart didn't lead her in treacherous directions....

Blythe and her friends — Gabrielle, and brother and sister Tucker and Tanya — have always been a tight friend group, attending a local high school and falling in and out of love with each other. But an act of violence has caused a rift between Blythe and Tucker . . . and unexpected bursts of aggression and disturbing nightmares have started to become more frequent in their lives.