Rescued from the gallows in 1850s London, young orphan and thief Mary Quinn is offered a place at Miss Scrimshaw's Academy for Girls where she is trained to be part of an all-female investigative unit called The Agency and, at age seventeen, she infiltrates a rich merchant's home in hopes of tracing his missing cargo ships.

The people of Puddletrunk are accustomed to their bridge collapsing and being rebuilt by Mortimer Gulch--when they provide funds and labor--but a newcomer to town may have a better idea.

Francie, seventeen, leaves summer school and auditions in New York City for Enchantment Lake in the woods of northern Minnesota when her great-aunts call and ask for her help investigating a mystery that centers on a road no one wants built, and on the legendary treasure said to be under enchantment.

When seventeen-year-old Nora O'Malley, the daughter of a con artist, is taken hostage in a bank heist, every secret she is keeping close begins to unravel.

It feels like Cara has been sick all her life, but she and her mom have never stayed in one place long enough for doctors to really understand what is happening to her. Now, at fourteen, Cara is tired of being tired, and sick of being sick. And it's only getting worse. Unable to afford the care she needs, Cara's mom starts a Caring for Cara campaign online. The money starts pouring in. But something is not right to Cara-- and the harder she looks,...

Caroline 'Chuck' Wilson has big plans for spring break, but then her dad asks her to spend vacation working the counter at Bigmouth's Bowl, her family's failing bowling alley. And Chuck finds out her dad is way behind on back rent, meaning they might be losing Bigmouth's, the only thing keeping the family in San Francisco. When her ex-best friend, Beckett Porter, propositions Chuck with a plan to hustle bowlers for cash, she accepts. She has a nagging...

"Adele grew up in the shadows--first watching from backstage at her mother's Parisian dance halls, then wandering around the gloomy, haunted rooms of her father's manor. When she's finally sent away to boarding school in London, she's happy to enter the brightly lit world of society girls and their wealthy suitors. Yet there are shadows there, too. Many of the men that try to charm Adele's new friends do so with dark intentions. After a violent assault,...

Fifteen-year-old Kat Bishop and her fellow talented teenagers work together to find and steal the "Cleopatra Emerald" from an unscrupulous dealer and return it to its rightful owner, while a former love of her Uncle Eddie tries to get the gem for herself.

Relates, in multiple voices, the adventures of a group of youngsters at an electronics-free wellness camp where wealthy, spoiled Jett, leads other campers in trying to stop a criminal.