Teen Girl Detective

Calista, Zoe, Holly, and Denise were inseparable best friends when they spent their summers together at sleepaway camp. But after an unexplained tragedy forced the camp to close, the girls drifted apart.

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.

Sixteen-year-old Alice is spending the summer in Paris, but she isn't there for pastries and walks along the Seine. When her grandmother passed away two months ago, she left Alice an apartment in France that no one knew existed. An apartment that has been locked for more than 70 years. Alice is determined to find out why the apartment was abandoned and why her grandmother never once mentioned the family she left behind when she moved to America after World War II. With the help of Paul, a charming Parisian student, she sets out to uncover the truth.

Amsterdam, 1943. Hanneke spends her days procuring and delivering sought-after black market goods to paying customers, her nights hiding the true nature of her work from her concerned parents, and every waking moment mourning her boyfriend, who was killed on the Dutch front lines when the Germans invaded. She likes to think of her illegal work as a small act of rebellion.

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.

They say Delia burned herself to death in her stepfather's shed. They say it was suicide. But June doesn't believe it. June and Delia used to be closer than anything. Best friends in that way that comes before everyone else - before guys, before family. It was like being in love, but more. They had a billion secrets tying them together like thin silk cords. But one night a year ago, everything changed. June, Delia, and June's boyfriend, Ryan, were just having a little fun. Their good time got out of hand.

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?

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!

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.

Rosie's led a charmed life with her loving dad, who runs the town donut shop. It's true her mother abandoned them when Rosie was just a baby, but her dad's all she's ever needed. But now that her father's had a stroke, Rosie lives with her tough-as-nails grandfather. And her beloved dog, Gloaty Gus, has just gone missing. Rosie's determined to find him. With the help of a new friend and her own determination, she'll follow the trail anywhere...no matter where it leads. If she doesn't drive the whole world crazy in the meantime.

Alice Ogilvie and Iris Adams became the talk of Castle Cove when they cracked the biggest case of the fall: the death of Brooke Donovan. Together, the Agathas put Brooke's killer away for good, and since then things around town have been almost back to normal. Quiet, even. But if Alice and Iris know anything, it's that sometimes quiet is just the calm before the storm. The truth is, Brooke's disappearance wasn't the first mystery to rock Castle Cove, and it won't be the last.

Lia Setiawan has never really fit in. And when she wins a full ride to the prestigious Draycott Academy on a track scholarship, she's determined to make it work even though she's never felt more out of place. But on her first day there she witnesses a girl being forcefully carried away by campus security. Her new schoolmates and teachers seem unfazed, but it leaves her unsure of what she's gotten herself into.

Two months after Elizabeth Holland's dramatic homecoming, Manhattan eagerly awaits her return to the pinnacle of society. When Elizabeth refuses to rejoin her sister Diana's side, however, those watching New York's favorite family begin to suspect that all is not as it seems behind the stately doors of No. 17 Gramercy Park South.

All eyes are on those closest to the dearly departed: her mischievous sister, Diana, now the family's only hope for redemption; New York's most notorious cad, Henry Schoon-maker, the flame Elizabeth never extinguished; the seductive Penelope Hayes, poised to claim all that her best friend left behind including Henry; even Elizabeth's scheming former maid, Lina Broud, who discovers that while money matters and breeding counts, gossip is the new currency.<

"Take her out back and finish her off." She doesn’t know who she is. She doesn’t know where she is, or why. All she knows when she comes to in a ransacked cabin is that two men are arguing over whether or not to kill her.And that she must run.

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.

Dara and Nick used to be inseparable, but that was before - before Dara kissed Parker, before Nick lost him as her best friend, before the accident that left Dara's beautiful face scarred. Now the two sisters, who used to be so close, aren't speaking. In an instant Nick lost everything and is determined to use the summer to get it all back.

The fate of the world is not something a girl wants on her shoulders, and that is especially true for Lorelei McAlister. Unfortunately for her, that is exactly where the world's fate has decided to take up residence. Lorelei has seen firsthand the horrors that lie beneath our everyday world. And those horrors are getting her friends killed. Because of this, she agrees to leave the sanctity of her hometown and is sent to a different world entirely. A boarding school. But even here she is being watched.

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.

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.