Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Seventeen-year-old Olivia Owens isn't thrilled that her dad's getting remarried...again. She's especially not thrilled that he cheated on her mom, kicked them out of their Rhode Island home, and cut Olivia out of her rightful inheritance. But this former heiress has a plan for revenge. While hundreds of guests gather on the grounds of the gorgeous estate where she grew up, everyone will be thinking romance—not robbery. She’ll play the part of dutiful daughter, but in reality she’ll be redistributing millions from her father’s online accounts.

Hannah Rooney knows how to be invisible. At twenty, she keeps her head down and her eyes open, and so far, she’s managed to avoid being pulled into the dealings of her notorious criminal family. Hannah lives her life in countdown mode, biding her time in nursing school as she waits for her beloved sister, Kaylie, to turn eighteen so Hannah can get them both far, far away from Rockaway Watch and start a new life.

Avery Grambs has a plan for a better future: Survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why - or even who Tobias Hawthorne is. To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where every room bears the old man's touch - and his love of puzzles, riddles, and codes.

Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now, it’s up to her to save the world.... Decades ago, Albert Einstein devised an equation that could benefit all life on earth - or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first - even though this means placing her life in grave danger.

Seven players arrived on Hawthorne Island, each with their own secrets and motivations to win the Grandest Game. Millions are at stake, but so are hearts—and lives. The players now must race to win the game, solve myriad mysteries, and survive the twists and turns of Glorious Rivals.

Nice Victorian ladies don’t run off to find legendary lost cities. One trifling little arrest shouldn’t have cost Ellie Mallory her job, but it’s only the latest in a line of injustices facing any educated woman with archaeological ambitions. When Ellie stumbles across the map to a mysterious ancient city, she knows she’s holding her chance to revolutionize Pre-Colombian history. There’s just one teensy complication.

This exciting new series from New York Times best-selling author Ally Carter focuses on Grace, who can best be described as a daredevil, an Army brat, and a rebel. She is also the only granddaughter of perhaps the most powerful ambassador in the world, and Grace has spent every summer of her childhood running across the roofs of Embassy Row. Now, at age 16, she's come back to stay in order to solve the mystery of her mother's death.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

For fifty years, King Leander Eldana has ruled Ashland without naming an heir to the crown. After sending away his grandchildren to be raised out of the public eye, it’s finally time to secure his nation’s future by appointing one definitive heir. The best way to appraise his successor? In the halls of Almus Terra Academy, a boarding school infamous for breeding the world’s next generation of leaders—and liars.