Teen Girl Mystery

London, April 1812. Eighteen-year-old Lady Helen Wrexhall is on the eve of her debut presentation to the Queen. Her life should be about gowns and dancing, and securing a suitable marriage. Instead, when one of her family's housemaids goes missing, Lady Helen is drawn to the shadows of Regency London. There, she finds William, the Earl of Carlston. He has noticed the disappearance, too, and is one of the few who can stop the perpetrators: a cabal of powerful demons that has infiltrated every level of society.

New student Lizzy Palmer is the talk of Shadyside High. Michael and his girlfriend Pepper befriend her, but the closer they get to her, the stranger she seems...and the more attractive she is to Michael. He invites her to join him on a snowmobile race that ends in a tragic accident. Soon, Michael's friends start being murdered, and Pepper becomes convinced that Lizzy is behind the killings.

Friday's Mum, the Nobel Prize winning physicist, has been accused of espionage. The police think she's been selling secrets about the CERN Hadron Super Collider. Friday knows her mother isn't capable of such a thing - this is a woman who can't even operate a dishwasher. She's got to smuggle herself into Switzerland to clear her Mum's name. Fortunately, Melanie is a master of disguise. After an extremely extreme make-over, Friday arrives at CERN and finds axolotls in the water coolers, graffiti in the great hall and most baffling of all - her sister has fallen in love with an engineer!

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.

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.

When sixteen-year-old Georgia Avis discovers the dead body of thirteen-year-old Ashley James, she teams up with Ashley's older sister, Nora, to find and bring the killer to justice before he strikes again. But their investigation throws Georgia into a world of unimaginable privilege and wealth, without conscience or consequence, and as Ashley’s killer closes in, Georgia will discover when money, power and beauty rule, it might not be a matter of who is guilty—but who is guiltiest.

After staking out, obtaining, and then being forced to give up her first boyfriend, Josh, all Cammie Morgan wants is a peaceful semester. But that's easier said than done when you're a CIA legacy and go to the premier school in the world...for spies. Cammie may have a genius I.Q., but there are still a lot of things she doesn't know. Like, will her ex-boyfriend even remember she exists? And how much trouble is she really in after what happened last semester? And most of all, why is her mother acting so strangely?

Nicole Morgan has been labeled many things - the geeky music girl, the shy sidekick of Miss Popularity, and the girl with the scar. Now only one name haunts her through the halls of Oyster Bay Prep. The girl in the picture. After heartthrob Chace Porter is found dead in the woods near the school, the police search for the girl snuggled up next to him in a picture discovered among his personal effects. A girl no one knew was even close to him - and whose best friend, Lana Rivera, was his girlfriend.

The troublemaker. The overachiever. The cheer captain. The dead girl. Like every high school in America, Jefferson-Lorne High contains all of the above. After the shocking murder of senior Emma Baines, three of her classmates are at the top of the suspect list: Claude, the notorious partier; Avery, the head cheerleader; and Gwen, the would-be valedictorian. But appearances are never what they seem. And the truth behind what really happened to Emma may just be lying in plain sight. As long buried secrets come to light, the clock is ticking to find Emma's killer.

A prince is in River Heights. A prince! Granted, he's from a relatively minor royal family, but still. This is big news. The headlines get even bigger once the prince is found toting a painting for his family's good friend, Mrs. Mahoney - because within hours of his arrival, the federal authorities arrest him. They suspect he stole the painting from his family.

Cammie Morgan has lost her father and her memory, but in the heart-pounding conclusion to the bestselling Gallagher Girls series, she finds her greatest mission yet. Cammie and her friends finally know why the terrorist organization called the Circle of Cavan has been hunting her. Now the spy girls and Zach must track down the Circle's leaders and stop them before they can implement a master plan that will change Cammie - and her country - forever.

In the peaceful seaside town of Cape Bonita, wicked secrets and lies are hidden just beneath the surface. But all it takes is one tragedy for them to be exposed. The most popular girls in school are turning up dead, and Penelope Malone is terrified she's next. All the victims so far have been linked to Penelope—and to a boy from her physics class. The one she's never really noticed before, with the rumored dark past and a brooding stare that cuts right through her. There's something he isn't telling her. But there's something she's not telling him, either.

When she finds her best friend, Meredith, getting sick in the bathroom, Tessa knows something’s majorly wrong. Meredith was cursed years ago, and the dark magic kept her wolf dormant - only now the wolf is awake, and that same spell is killing her. Tessa has no intention of sitting around while Meredith wastes away. Even if it means playing with magic she doesn’t understand, she’ll do anything to save Meredith’s life. Including bargaining with the local coven of witches and its crazed leader, whose only goal is getting Tessa to join the witchy ranks.

When Olivia's mother was killed, everyone suspected her father of murder. But his whereabouts remained a mystery. Fast forward 14 years. New evidence now proves Olivia's father was actually murdered on the same fateful day her mother died. That means there's a killer still at large. It's up to Olivia to uncover who that may be. But can she do that before the killer tracks her down first?

Six months ago, Griffin Sawyer meant to steal a car, but he never meant to steal the girl asleep in the backseat. Panicked, he took her home. His father, Roy, decided to hold Cheyenne - who is blind - for ransom. Griffin helped her escape, and now Roy is awaiting trial. As they prepare to testify, Griffin and Cheyenne reconnect and make plans to meet. But the plan goes wrong, and Cheyenne gets captured by Roy's henchmen - this time for the kill. Can Cheyenne free herself? And is Griffin a pawn or a player in this deadly chase?

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

When Cammie Morgan enrolled at the Gallagher Academy, she knew she was preparing for the dangerous life of a spy. What she didn’t know was that the serious, real-life danger would start as soon as her junior year. But that’s exactly what happened two months ago when she faced off against an ancient terrorist organization dead set on kidnapping her.

Seven months ago, Edda was on the World War I front lines as one of two hundred “Hello Girls,” female switchboard operators employed by the US Army. She spent her nights memorizing secret connection codes to stay ahead of spying enemies, and her days connecting vital calls between platoons and bases and generals, all trying to survive—and win—a brutal war. Their lives were in Edda’s hands, and one day, in fateful seconds, everything went wrong.

After the mysterious death of their best friend, Ella, Yuki, and Rory are the talk of their elite school, Grimrose Académie. The police ruled Ariane’s death as a suicide, but the trio is determined to find out what really happened. When Nani Eszes arrives as their newest roommate, it sets into motion a series of events that no one could have predicted. As the girls retrace their friend’s final days, they discover a dark secret about Grimrose - Ariane wasn’t the first dead girl. They soon learn that all the past murders are connected to ancient fairy-tale curses....

Dahlia 16 sees her face in every crowd. She's nothing special - just one of 5,000 girls created from a single genome to work for the greater good of the city. Meeting Trigger 17 changes everything. He thinks she's interesting. Beautiful. Unique. Which means he must be flawed. When Dahlia can't stop thinking about him - when she can't resist looking for him, even though that means breaking the rules - she realizes she's flawed, too. But if she's flawed, then so are all her identicals. And any genome found to be flawed will be recalled.