Teen Girl Detective

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.

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.

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.

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.

Covered by vines and hidden by trees, the old gatehouse on the edge of the woods has been abandoned for years. But when Trixie and her pal Honey explore it, they discover more than just dust and spiderwebs inside. The two girls find a huge diamond stuck in the dirt floor! Could a ring of jewel thieves be hiding out in Sleepyside?

Trixie can't believe she's stuck in Sleepside all sumemr while her lucky brothers are away at camp. Then a millionaire's daughter moves in next door, a runaway kid hides out nearby, and rumors heat up that the old mansion on the hill is filled with a fortune. Maybe the summer won't be so boring after all!

Trixie has been friends with Diana Lynch for years, even before Di's family became fabulously rich. When a long-lost uncle shows up at the Lynches' doorstep and starts ruining Di's social life, Di asks Trixie for help. But Trixie thinks Uncle Monty isn't just an annoying relative, she thinks he's an imposter!

Jim Frayne has run away from Sleepyside, before Trixie could tell him that he is the sole heir to a huge fortune. With her best friend, Honey, Trixie sets out in a trailer across upstate New York to track Jim down...and stumbles upon another mystery along the way!

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.

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?

Jaycee and Rachel were best friends. But that was before... before that terrible night at the old house. Before Rachel shut Jaycee out. Before Jaycee chose Skyler over Rachel. Then Rachel is found dead. The police blame a growing gang problem in their small town, but Jaycee is sure it has to do with that night at the old house. Rachel's text is the first clue - starting Jaycee on a search that leads to a shocking secret. Rachel's death was no random crime, and Jaycee must figure out who to trust before she can expose the truth.

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.

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.

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.

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.

Emily is a mad scientist, a cat lover, a mural painter, a golem builder, a virtuo-spastic guitarist, a wicked skater, a wily troublemaker, a poltergeist tamer, a mystery solver, a master prankster, an extreme procrastinator, a happy loner, and a unique individual. And now there are two of her.

Maybe if I hadn't slept through my alarm, slammed into Kristin - my high school's reigning mean girl - or stepped in a puddle, destroying my mom's new suede DVF boots (which I borrowed without asking), I wouldn't have been in the wrong place at the wrong time, and I wouldn't have been pushed in front of that arriving train. But I did, and I was. And because I died under mysterious circumstances, I can't pass straight over to the Other Side. Apparently the only way out of this limbo is to figure out who killed me. But at least I'm not alone.

Everyone knows Bettina’s father was the one who murdered her mother a decade ago. It’s the subject of podcasts, murder tours, and even a highly anticipated docuseries. But after growing up grappling with what that means, a string of copycat murders forces Bett to answer a harder question: What if he didn’t? Old-money Bett must team up with the only person willing to investigate alongside her: bookish goth girl Eugenia, the mortician’s daughter, who everyone says puts the makeup on corpses. Can this “true crime princess” unmask a murderer who’s much closer to home than she ever imagined?

After being placed in foster care, Rhi is hungry for a fresh start and begins working at the Happy Valley Wildlife Preserve. While in the woods, she stumbles upon a surreal sight: a pack of wolves guarding four feral and majestic girls. After Rhi gains their trust, they reveal that they’re princesses from another land, raised by a magical prophet they call Mother—and they're convinced Rhi is their lost fifth sister. Unsure what to believe, Rhi ushers the girls to civilization, where they’re met with societal uproar and scrutiny, dubbed “The Wild Girls of Happy Valley.”

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.