Young Adult Fiction Mystery

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 one of these kids has bugged every room in her house, made copies of all her computer files and stolen her address 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.

In A Presumption of Death, Jill Paton Walsh tells how World War II changed the lives of Peter, Harriet and their growing family. The story opens in 1940. Harriet Vane - now Lady Peter Wimsey - has taken her children to safety in the country. But the war has followed them: glamorous RAF pilots and even more glamorous land-girls scandalise the villagers; the blackout makes the nighttime lanes as sinister as the back alleys of London.

When Lewis Barnavelt, an orphan, comes to stay with his Uncle Jonathan, he expects to meet an ordinary person. But he is wrong. Uncle Jonathan and his next-door neighbor, Mrs. Zimmermann, are both witches! Lewis is thrilled. At first, watching magic is enough. Then Lewis experiments with magic himself and unknowingly resurrects the former owner of the house: a woman named Serenna Izard. It seems that Serenna and her husband built a timepiece into the walls - a clock that could obliterate humankind. And only the Barnavelts can stop it!

Shortly before her 17th birthday, Emma discovers she has a long-lost twin named Sutton Mercer. She contacts Sutton, who agrees to a rendezvous but never shows up. Curious at first, Emma slips into Sutton's ultra-glamorous life, assuming her identity. When it becomes clear that Sutton is not coming back, that someone made sure she never could, Emma plunges in to investigate who could have wanted her sister gone (a fairly long list, she discovers).

It's been two years since John Spencer and his father were shipwrecked and nearly murdered by unscrupulous scavengers. Now the Spencers have a new ship, the Dragon, and 16-year-old John is elated to be making the new schooner's maiden voyage to London. But not long out to sea, John realizes that the captain and crew of the Dragon are not who they pretended to be.

When Wendy Everly was six-years-old, her mother was convinced she was a monster and tried to kill her. It isn't until 11 years later that Wendy discovers her mother might have been right. With the help of Finn Holmes, Wendy finds herself in a world she never knew existed - a world both beautiful and frightening, and Wendy's not sure she wants to be a part of it.

There may only be one killer, but no one is innocent in this new young adult thriller from Natasha Preston, author of The Cellar, a New York Times best-seller, and Awake.

When the life of someone they both love is put on the line, Sydney risks everything to hunt down a deadly former nemesis. Meanwhile, Adrian becomes enmeshed in a puzzle that could hold the key to a shocking secret about spirit magic, a secret that could shake the entire Moroi world.

Amy and Dan make shocking discoveries about their family's power and their parents' deaths as they track the next clue to a remote corner of the world.

Dr. Watson, the right-hand man of master sleuth Sherlock Holmes, has gone missing. This prompts Sherlock to enlist the assistance of Enola Holmes, his intrepid younger sister. She investigates Watson's home just in time to witness the arrival of a bizarre bouquet blooming with convolvulus, hawthorn, and white poppies - flowers that symbolize death!

Best-selling author Anthony Horowitz's Alex Rider adventure novels are a worldwide sensation. In Scorpia Alex must confront the legacy of the father he never knew. It turns out his father may have worked for Scorpia, a deadly terrorist organization. Now that Scorpia wants Alex on their team, the teenaged hero must face the hardest decision of his life.

Adina Walker has known this the entire time she’s been on scholarship at the prestigious Edgewater Academy—a school for the rich (and mostly white) upper class of New England. It’s why she works so hard to be perfect and above reproach, no matter what she must force beneath the surface. Even one slip can cost you everything.

Esme and Kayla once were campers at Camp Pine Lake. Now they’re back as counselors-in-training. Esme loves the little girls in her cabin and thinks it’s funny how scared they are of everything - the woods, the bugs, the boys...even swimming in the lake. It reminds her of how she and Kayla used to be. Before... Because Esme and Kayla did something terrible when they were campers. Something they’ve kept a secret all these years.

You know it's going to be a rough summer when you spend Father's Day visiting your dad in the local lockup. Noah's dad is sure that the owner of the Coral Queen casino boat is flushing raw sewage into the harbor, which has made taking a dip at the local beach like swimming in a toilet. He can't prove it though, and so he decides that sinking the boat will make an effective statement. Right. The boat is pumped out and back in business within days and Noah's dad is stuck in the clink.

Jimmy, David, and Henry are psyched. It's summer, school's out, and they are on their way to California, where they will be able to do some major skating. But on the plane, the unthinkable happens: They are hijacked by terrorists. As frightened as they may be, they take action and they succeed. Sort of. They may have beaten the terrorists, but now their plane has crashed in the middle of nowhere and all of a sudden, their summer vacation is about finding food, shelter, and a rescue. Can three normal 12-year-old boys find a way to get by without fast food and skate parks?

Seduced by the Secret Circle, a coven of young witches whose power has controlled New Salem for 300 years, Cassie falls hopelessly in love with the leader's boyfriend and falls prey to dark powers.

In the heart of the English countryside, Bessie and her closest friends gather at a remote castle for a secret party destined to make this the best spring break ever. But when the first of them dies, the party takes a lethal turn. As the body count continues to rise, Bessie and her friends must contend with a deadly storm and growing internal suspicion, all while trapped inside with a killer.

Thomas Hunter, supreme commander of the Forest Guard, has seen a great evil decimate much of his beautiful world. With a dwindling army and an epic threat, Thomas is forced to supplement his fighters with new recruits ages 16 and 17. From thousands, four will be chosen to lead a special mission. Unknown to Thomas, the chosen four are redirected to a different endgame. They must find the seven lost Books of History before the Dark One.

Two worlds threaten to crumble in the face of a common enemy in the epic conclusion to the New York Times best-selling Daughter of Smoke & Bone trilogy—now with a gorgeous new package! What power can bruise the sky? Two worlds are poised on the brink of a vicious war. By way of a staggering deception, Karou has taken control of the chimaera's rebellion and is intent on steering its course away from dead-end vengeance. The future rests on her.

Rotterham Home was a hospice for young people—a place where teenagers with terminal illnesses went to die. Nobody who checked in ever checked out. It was a place of pain and sorrow, but also, remarkably, a place of humor and adventure. Every night at twelve, a group of young guys and girls at the hospice came together to tell stories. They called themselves the Midnight Club, and their stories could be true or false, inspiring or depressing, or somewhere in-between. One night, in the middle of a particularly scary story, the teenagers make a secret pact with each other.