Teen Girl Mystery

Revised edition: This edition of The Casquette Girls includes editorial revisions.

Popular Daphne Blake and über-nerd Velma Dinkley aren't friends. They aren't enemies either. They don't have any reason to speak to each other, and that's how they prefer it. They grew up together - been best friends since pre-K - but when they hit middle school, Daphne dropped Velma and never looked back. These days, Daphne's deep in the popular crowd, daughter of the richest family in town, while Velma's an outsider, hiding from the world behind her thick glasses. But then Daphne's best friend, Marcy - who happens to be Velma's cousin - goes missing.

After spending the summer at home in Connecticut, Emmy is eager to return to her friends at Wellsworth. Before she leaves, she receives a key to a safety-deposit box and a letter from her father, telling her to hide the surviving relics and to trust no one. When she returns to school, she realizes her best friend, Lola, is being framed by the Order for a crime she didn't commit. Jonas informs Emmy if she gives up her father, he'll set things right. It all comes to a head at an exhibit on Medieval manuscripts at the British Library. Will Emmy be able to stop them once and for all?

Seventeen years ago, Layla Trello was murdered and her killer was never found. Enter true-crime fan Piper Gray, who is determined to reopen Layla’s case and get some answers. With the help of Jonas—who has a secret of his own—Piper starts a podcast investigating Layla’s murder. But as she digs deeper into the mysteries of the past, Piper begins receiving anonymous threats telling her to back off the investigation, or else. The killer is still out there, and Piper must uncover their identity before they silence her forever.

1426, Joseon (Korea). Hwani's family has never been the same since she and her younger sister went missing and were later found unconscious in the forest near a gruesome crime scene. Years later, Detective Min - Hwani's father - learns that 13 girls have recently disappeared from the same forest that nearly stole his daughters. He travels to their hometown on the island of Jeju to investigate...only to vanish as well.

It wasn't Tillie's choice to leave Philadelphia. But after everything that happened junior year, her mom insisted the quiet suburb of Willow Creek was the perfect place to get a fresh start, to put the trauma and rumors behind them. Madison Frank is the perfect distraction. Beautiful, fun, and from the wealthy side of town, Madison is the kind of girl who has a pull stronger than gravity. She commands attention, even inspires obsession. And by the end of summer, Tillie's forgotten everything―everyone―she left in Philadelphia. Almost. Then Madison goes missing.

Musical genius Mackenzie is desperate to get into Juilliard, even if it means playing a duet with her best friend's boyfriend. Beautiful Ava isn't above using her assets to get an A. Athletic Caitlin is one goal away from a soccer scholarship - if she can call a time-out on her relationship drama. Popular Julie has it all - literally, thanks to her hoarder mom - and will do anything to keep her family's secret. And former It Girl Parker is experimenting with her wild side.

When Mariella Morse accuses her boyfriend, Vik Gomez, of murdering her wealthy parents with an axe, the town is quick to believe her. It doesn’t help that Vik is caught standing over her parents’ bodies with blood on his hands, unable to remember anything about the night in question. But Vik’s sister, Tessa, knows that Vik would never be capable of such a gruesome crime. Haunted by the mistakes she made that led her family to move to Fall River, MA, in the first place, she sets out to prove her brother’s innocence.

Sixteen-year-old Cheyenne Wilder is sleeping in the back of a car while her mom fills Cheyenne’s prescription for antibiotics. Before Cheyenne realizes what’s happening, their car is being stolen. Griffin hadn’t meant to kidnap Cheyenne, but once his dad finds out that Cheyenne’s father is the president of a powerful corporation, everything changes - now there’s a reason to keep her. How will Cheyenne survive this nightmare? Because she’s not only sick with pneumonia - she’s blind.

Girls started vanishing in the fall, and now winter's come to lay a white sheet over the horror. Door County, it seems, is swallowing the young, right into its very dirt. From beneath the house on Water Street, I've watched the danger swell. The residents know me as the noises in the house at night, the creaking on the stairs. I'm the reflection behind them in the glass, the feeling of fear in the cellar. I'm tied, it seems, to this house, this street, this town.

When her brother is kidnapped, Cassie Goodlight is determined to save him - even if it means learning the magic that nearly destroyed her mother. But how can she beat a shape-shifting sea goblin that taunts her at every turn? Cassie must find a way before a year is up, or her brother will be lost forever. And who, or what, is the handsome stranger who keeps turning up in her life?

Since she can remember, Katarina's relatives have been grooming her for the family business - thieving. But when Kat tries to go straight and leave the Life for a normal life, she's promptly kicked out of her new school for stealing the headmaster's car and mounting it on the school fountain. Although she could have done it without breaking a sweat, ironically, this time, she's innocent.

A host of the smartest young adult authors come together in this collection of scary stories and psychological thrillers curated by Between the Devil and the Deep Blue Sea's April Genevieve Tucholke. Each story draws from a classic tale or two - sometimes of the horror genre, sometimes not - to inspire something new and fresh and terrifying. There are no superficial scares here; these are stories that will make you think even as they keep you on the edge of your seat.

Lillia, Kat, and Mary had the perfect plan. Work together in secret to take down the people who wronged them. But things didn’t exactly go the way they’d hoped at the Homecoming Dance. Not even close. For now, it looks like they got away with it. All they have to do is move on and pick up the pieces, forget there ever was a pact. Eye for an eye, tooth for a tooth, burn for a burn. A broken heart for a broken heart. The girls are up to the task. They’ll make Reeve fall in love with Lillia and then they will crush him. It’s the only way he’ll learn.

Jules' family moves into an old abandoned house. Her parents love it, but she's frightened and feels a sense of foreboding. When she sees a pale face in an upstairs window, she can't stop wondering about the eerie presence on the top floor - in a room with a locked door. Her fear replaced by fascination, Jules becomes determined to make contact with the mysterious figure and to unlock the door. Past and present intersect as she and her ghostly friend discover the fate of the family who lived in the house all those many years ago.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

Now that Pauline Esmeralda Simone-Thierry von Cant has been rescued from Castle Cant by her half-sister and former maidservant, Lucy, the real adventure begins. For there are forces that want to tear Pauline and Lucy apart. In their land, a war rages over chewing gum.

Jennifer Allison's best-selling Gilda Joyce series features a spunky heroine with a knack for hunting down the paranormal. When best friend Wendy Choy gets an invitation to compete in a piano competition in Oxford, England, Gilda Joyce manages to secure a position as Wendy's page turner. They will sip tea, flirt with English boys, and bask in the warm glow of applause. But when Wendy seems set to become the next victim of a local ghost, the Psychic Investigator goes to work.

Eighteen-year-old Addie Blackwood regrets nothing more than one horrible, mistake-filled night last summer. Hours after she hurled the worst words she could think of at her sister, Fiona was found dead at the bottom of a ravine. The police ruled her death an accident, but Addie’s never bought it. Her ballet-prodigy sister didn’t slip and fall; she was pushed. And Addie’s number one suspect: Thatcher Montgomery, the rich kid down the street who always had a thing for Fiona. But when Thatcher is found dead in the same ravine, Addie must admit she was wrong.

Frankie Rosenberg is the world's first slayer-witch, but she doesn't have that slay-life balance figured out just yet. She's still reeling from the deadly explosion at the annual slayer retreat—and new evidence that some slayers may have survived. And while she's defeated her first Big Bad, Frankie soon realizes it was just a warm up act—and bigger, badder forces of evil are only just getting started.