Young Adult Thriller

Kathryn Miller Haines’ debut Iris Anderson mystery received considerable buzz for its stellar 15-year-old heroine and engrossing 1940s period details. With her father back from the war, Iris is eager to help him with his private eye business—especially since his mobility is limited thanks to a missing leg. Now with a case involving a boy she knows from school to investigate, Iris leaps into action and soon finds herself in the middle of a harrowing adventure.

Around the world, black handprints are appearing on doorways, scorched there by winged strangers who have crept through a slit in the sky. In a dark and dusty shop, a devil's supply of human teeth grown dangerously low. And in the tangled lanes of Prague, a young art student is about to be caught up in a brutal otherwordly war. Meet Karou. She fills her sketchbooks with monsters that may or may not be real; she's prone to disappearing on mysterious "errands"; she speaks many languages—not all of them human; and her bright blue hair actually grows out of her head that color.

When tragedy strikes close to home, Mickey Bolitar and his loyal new friends - sharp-witted Ema and the adorkably charming Spoon - find themselves at the center of a murder mystery involving their friend Rachel. Now, not only does Mickey have to continue his quest to uncover the truth about the Abeona Shelter and the Butcher of Lodz, he needs to figure out what happened to Rachel - no matter what it takes. Mickey has always been ready to sacrifice everything to help the people he loves.

ShadowClan has chosen Tigerclaw as their new leader, and Fireheart fears that this old enemy still harbors dark plans for vengeance on his former Clan. A mysterious threat has invaded the forest, placing every cat's life in peril. And Fireheart's beloved leader has turned her back on their warrior ancestors. Fireheart can't help but wonder if she's right - has StarClan abandoned them forever?

Skylar is a girl with extraordinary power - a girl with a mission to use her Greater-Than gifts to stop the makers of Destiny from getting people hooked on their deadly drug. But Sky is still mastering her new abilities, and her first mission to destroy a Destiny lab leaves her best friend addicted to the drug. For a few days Cal will be able to walk again - until it kills him. Time is running out for Sky to save the world without sacrificing her friends - to become truly Greater-Than.

High school sleuths P.C. Hawke and Mackenzie Riggs quickly regret their decision to take a difficult calculus class from a tough instructor at Columbia University. But even though she's mean, Professor Dunaway certainly seems an unlikely candidate for murder. Though there are plenty of suspects, a lot of things about this case just don't add up.

Skylar Reid is the new girl at school. Her mom just moved them to Florida - a.k.a. the Land of the Living Dead, where the average age of her new neighbors is seventy-five - to start over. Skylar is not a fan of the change or her total lack of friends. Then she meets Calvin, a funny, sarcastic boy who doesn't let being in a wheelchair stop him from verbally shredding their preppy classmates.

Strange things are happening in Maya's tiny Vancouver Island town. First, her friend Serena, the captain of the swim team, drowns mysteriously in the middle of a calm lake. Then, one year later, mountain lions are spotted rather frequently around Maya's home and her reactions to them are somewhat . . . unexpected. Her best friend, Daniel, has also been experiencing unexplainable premonitions about certain people and situations.

The Shadow Club starts simply enough: the kids who are tired of being second-best get together and, for the first time, talk about how they feel. But soon the members decide to play practical jokes on the first-place winners they envy, and things begin to spin dangerously out of control.

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.

From the Queen of Scream comes a novel that will raise the hair on the back of your neck. Not every grandmotherly type bakes cookies. What's more frightening than finding out that the kindly old ladies living across the street from you are anything but? As a child, Tim Robertson is selling cookies with his best friend Damien when they knock on the door of the house across the street from him. Two old ladies open the door and Tim never sees his best friend again.

Marlow's just a regular geeky college freshman with little to no experience with girls, so when he has a semi-flirtatious chat with a cute girl online, it's almost more than his nerves can handle. Then the girl is brutally murdered. Or is she? Marlow finds himself teamed up with intelligent and savvy Sage Farrell, a girl so far out of his league he feels blinded in her presence. Together they work to find the identity of @gingerbreadman. Can they stop the killer before he strikes IRL?

It's been eight months since Mickey Bolitar witnessed the shocking, tragic death of his father. Eight months of lies, dark secrets, and unanswered questions. While he desperately wants answers, Mickey's sophomore year of high school brings on a whole new set of troubles. Spoon is in the hospital, Rachel won't tell him where he stands, his basketball teammates hate him... and then there's Ema's surprise announcement: She has an online boyfriend, and he's vanished.

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.

Things are getting desperate for Maya and her friends. Hunted by the powerful St. Clouds and now a rival Cabal as well, they're quickly running out of places to hide. And with the whole world thinking they died in a helicopter crash, it's not like they can just go to the authorities for help. All they have is the name and number of someone who might be able to give them a few answers. Answers to why they're so valuable, and why their supernatural powers are getting more and more out of control.

Seventeen-year-old Aussie Che Taylor loves his younger sister Rosa. But he's also certain that she's a diagnosable psychopath - clinically, threateningly, dangerously. Recently Rosa has been making trouble, hurting things. Che is the only one who knows; he's the only one his sister trusts. Rosa is smart, talented, pretty, and very good at hiding what she is and the violence she's capable of. Their parents, whose business takes the family from place to place, brush off the warning signs as Rosa's "acting out".

Seventeen-year-old Layla just wants to be normal. But with a kiss that kills anything with a soul, she's anything but normal. Half demon, half gargoyle, Layla has abilities no one else possesses. Raised among the Wardens - a race of gargoyles tasked with hunting demons and keeping humanity safe - Layla tries to fit in, but that means hiding her own dark side from those she loves the most.

Though forty miles away, Duston Heights is not safe from the flu that’s raging through Boston. When Johnny Dixon’s grandmother falls ill, he’s sent to live with his neighbor to avoid infection. So many locals are getting sick that school is canceled for a week, and the reclusive Dr. Abram Ashburn comes out of retirement to make house calls. After seeing a scary vision of his bedridden grandmother outside of a window, Johnny starts to feel on edge. Then he and his best friend find what looks to be a weird map of a cemetery in Dr. Ashburn’s house.

Ed Kennedy is an underage cabdriver without much of a future. He's pathetic at playing cards, hopelessly in love with his best friend, Audrey, and utterly devoted to his coffee-drinking dog, the Doorman. His life is one of peaceful routine and incompetence, until he inadvertently stops a bank robbery.

Stevie Bell solved the case of Truly Devious, and now she’s taking her detecting skills abroad when she becomes embroiled in a mystery from 1990s England. Another pulse-pounding and laugh-out-loud stand-alone mystery from New York Times bestselling author Maureen Johnson.