Maddie and Logan were torn apart by a kidnapping attempt when they were young. They were only kids - Logan's dad was POTUS and Maddie's father was the Secret Service agent meant to guard him. The kidnappers were stopped - but Maddie was whisked off to Alaska with her father, for safety. Maddie and Logan had been inseparable...but then she never heard from him again. Now it's a few years later. Maggie's a teenager, used to living a solitary life with her father. It's quiet - until Logan is sent to join them.

The first day at a new school is tough for any kid, but it's especially scary when you're going to a school for spies. Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check.

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.

The New York Times bestselling YA author of the beloved Gallagher Girls series bursts onto the adult scene with a fast-paced, hilarious road trip rom-com about a woman with amnesia who discovers she’s the identical twin sister of a rogue spy…

April had absolutely no intention of becoming the only person who knows that Gabriel Winterborne, the missing-and-presumed-dead billionaire, is actually living in the basement of Winterborne House, sharpening his swords and looking for vengeance. Now it’s up to April to keep him alive. But there’s only so much a 12-year-old girl can do, so April must turn to the other orphans for help. Together, they’ll have to unravel the riddle of a missing heir and a creepy legend, and find a secret key, before the only home they’ve ever known is lost to them forever.

Girl genius GiGi is in a lot of hot water. A whiz with computers, she agrees to help her college RA, David, uncover some top-secret information. After all, she doesn't have family or many friends, and David has always been nice to her. It doesn't hurt that he's super cute and irresistible, too. All she has to do is hack into the government's main computer system. But a few hours later, her whole life changes.

When 16-year-old Tess Kendrick is sent to live with her older sister, Ivy, she has no idea that the infamous Ivy Kendrick is Washington, DC's number-one "fixer" - known for making politicians' scandals go away for a price. No sooner does Tess enroll at Hardwicke Academy than she unwittingly follows in her sister's footsteps and becomes DC's premier high school fixer, solving problems for elite teens.

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.

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

Seventeen-year-old Cassie is a natural at reading people. Piecing together the tiniest details, she can tell you who you are and what you want. But, it's not a skill that she's ever taken seriously. That is, until the FBI come knocking: they've begun a classified program that uses exceptional teenagers to crack infamous cold cases, and they need Cassie. What Cassie doesn't realize is that there's more at risk than a few unsolved homicides—especially when she's sent to live with a group of teens whose gifts are as unusual as her own

Bayport High's Varsity cheer squad is made up of the hottest of the hot. But this A-list is dangerous in more ways than one. The Squad is actually a cover for the most highly trained group of underage government operatives the United States has ever assembled. They have the perfect cover, because, beyond herkeys and highlights, no one expects anything from a cheerleader.

Maggie Silver has never minded her unusual life. Cracking safes for the world’s premier spy organization and traveling the world with her insanely cool parents definitely beat high school and the accompanying cliques, bad lunches, and frustratingly simple locker combinations. (If it’s three digits, why bother locking it at all?) But when Maggie and her parents are sent to New York City for her first solo assignment, her world is transformed.

Avery West's newfound family can shut down Prada when they want to shop in peace, and can just as easily order a bombing when they want to start a war. Part of a powerful and dangerous secret society called the Circle, they believe Avery is the key to an ancient prophecy. Some want to use her as a pawn. Some want her dead. To unravel the mystery putting her life in danger, Avery must follow a trail of clues from the monuments of Paris to the back alleys of Istanbul with two boys who work for the Circle.

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.

In this prequel episode from Philip Pullman's His Dark Materials universe, Lee Scoresby—Texan aeronaut and future friend to Lyra Belacqua—is just 24 years old, and he's recently won his hot-air balloon in a poker game. He finds himself floating North to the windswept Arctic island of Novy Odense, where he and his hare daemon Hester are quickly tangled in a deadly plot involving an oil magnate, a corrupt mayoral candidate, and Lee's longtime nemesis from the Dakota Country, a hired killer with at least twenty murders to his name.

The first day at a new school is tough for any kid, but it's especially scary when you're going to a school for spies. Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check.

Once a city of enormous wealth and culture, Prague was home to emperors, alchemists, astronomers, and, as it’s whispered, hell portals. When music student Sarah Weston lands a summer job at Prague Castle cataloging Beethoven’s manuscripts, she has no idea how dangerous her life is about to become. Prague is a threshold, Sarah is warned, and it is steeped in blood. Soon after Sarah arrives, strange things begin to happen.

They say bad things happen in threes. When her fiancé, Sam, disappears on the same day her mentor and biggest client is killed, hotshot Chicago attorney Izzy McNeil starts counting. But trouble keeps coming. Sam is implicated in the client's death, her apartment is broken into and it's not just the authorities who are following her.

It's his senior year, and Will Shea has conned his way into one of the country's most elite prep schools. But he soon runs into Andrea, a fellow con artist. With the school not big enough for the both of them, they make a bet that whoever can con Brandt Rush, the richest, most privileged student in the school, out of $50,000 gets to stay at the school. Will starts setting up his con (an online poker scam) with his uncle, who's one of the best grifters in the business, and with the unwanted help of his father.

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

When Amanda travels east to Orlando on a hunch, she's met with the worst news possible. Kingdom Keeper Finn Whitman is missing. Calling on her own gift (she's telekinetic), her sister Jess' ability to dream the future, and their fellow Fairlie Mattie Weaver's unexplained ability to read minds through physical contact, the three gifted girls must navigate treachery, deception, and the stubborn, unwilling parents of the missing Keepers if they're to save their friends.

How do you let go of something you've never had? Junior year for Brooke Winters is supposed to be about change. She's transferring schools, starting fresh, and making plans for college so she can finally leave her hometown, her family, and her past behind. But all of her dreams are shattered one hot summer afternoon when her mother is arrested for killing Brooke's abusive father. No one really knows what happened that day, if it was premeditated or self-defense, whether it was right or wrong. And now Brooke and her siblings are on their own.

Seventeen-year-old Vivian Apple never believed in the evangelical Church of America, unlike her recently devout parents. But when Vivian returns home the night after the supposed 'Rapture,' all that's left of her parents are two holes in the roof. Suddenly, she doesn't know who or what to believe. With her best friend Harp and a mysterious ally, Peter, Vivian embarks on a desperate cross-country road trip through a paranoid and panic-stricken America to find answers.

Annie's got bad news for her ex-boyfriend, curator Ernst Pettigrew: the snooty Brock Museum's new 15-million-dollar Caravaggio painting is as fake as a three-dollar bill. And the same night Annie makes her shattering appraisal, the janitor on duty is killed - and Ernst disappears. To top it all off, a well-known art dealer has absconded with multiple Old Master drawings, leaving yet more forgeries in their places. Finding the originals - and pocketing the reward money - will get Annie's new landlord off her back.

Marguerite Caine grew up surrounded by cutting-edge scientific theories, thanks to her brilliant physicist parents. Yet nothing is more astounding than her mother's latest invention - a device called the Firebird, which allows people to leap into alternate dimensions.

It begins with a phone call that Nora Watts has dreaded for 15 years - since the day she gave her newborn daughter up for adoption. Bonnie has vanished. The police consider her a chronic runaway and aren't looking, leaving her desperate adoptive parents to reach out to her birth mother as a last hope. A biracial product of the foster system, transient, homeless, scarred by a past filled with pain and violence, Nora knows intimately what happens to vulnerable girls on the streets.

Now: Sixteen-year-old Jesse is used to living with the echoes of the past. Her older brother died in the September 11th attacks, and her dad since has filled their home with anger and grief. When Jesse gets caught up with the wrong crowd, one momentary hate-fueled decision turns her life upside down. The only way to make amends is to face the past, starting Jesse on a journey that will reveal the truth about how her brother died. Then: In 2001, 16-year-old Alia is proud to be Muslim....it's being a teenager that she finds difficult.

Ellery Hathaway knows a thing or two about serial killers, but not through her police training. She's an officer in sleepy Woodbury, Massachusetts, where a bicycle theft still makes the newspapers. No one there knows she was once victim number 17 in the grisly story of serial killer Francis Michael Coben. The only victim who lived. When three people disappear from her town in three years, all around her birthday - the day she was kidnapped so long ago - Ellery fears someone knows her secret. Someone very dangerous.

Not only is Scarlett Parker's love life in the loo - as her British cousin Vivian Tremont would say - it's also gone viral with an embarrassing video. So when Viv suggests Scarlett leave Florida to lay low in London, she hops on the next plane across the pond. Viv is the proprietor of Mims's Whims, a ladies' hat shop on Portobello Road bequeathed to both cousins by their beloved grandmother, and she wants Scarlett to finally join her in the millinery business. But a few surprises await Scarlett in London.

Twelve-year-old Daniel, the new kid in town, soon learns the truth about his nice - but odd - new friends: one can fly, another can turn invisible, yet another controls electricity. Incredible. The superkids use their powers to secretly do good in the town, but they’re haunted by the fact that the moment they turn thirteen, their abilities will disappear - along with any memory that they ever had them. Is a memory-stealing supervillain sapping their powers?

The New York Times bestselling YA author of the beloved Gallagher Girls series bursts onto the adult scene with a fast-paced, hilarious road trip rom-com about a woman with amnesia who discovers she’s the identical twin sister of a rogue spy…

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.

Ten years ago, they joined the CIA. Six years ago, he left the game. Five years ago, they fell in love. One year ago, she ran out into the cold with absolutely no intention of ever coming back. And two minutes ago, they woke up, bloody and bruised and handcuffed together in the dark. They don’t know where they are. They don’t know how they got there. And they have absolutely no idea who is after them or what this nameless, faceless villain wants.

The first day at a new school is tough for any kid, but it's especially scary when you're going to a school for spies. Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check.

Maddie and Logan were torn apart by a kidnapping attempt when they were young. They were only kids - Logan's dad was POTUS and Maddie's father was the Secret Service agent meant to guard him. The kidnappers were stopped - but Maddie was whisked off to Alaska with her father, for safety. Maddie and Logan had been inseparable...but then she never heard from him again. Now it's a few years later. Maggie's a teenager, used to living a solitary life with her father. It's quiet - until Logan is sent to join them.

Set in Shanghai and Seattle, Calculated is a gritty, modern day blend of The Count of Monte Cristo and Mission Impossible. She has many names - Octavia, Double 8, Phoenix, Josephine. She’s a math prodigy, a calculating genius, and everyone wants her. In 17-year-old Jo River’s complicated world of numbers, there’s no such thing as coincidence. When she is betrayed by someone she loves, kidnapped by the world’s most wanted smuggler, and forced to use her talent to shore up a criminal empire, Jo deems her gift a curse - until she meets Red.

When 16-year-old Tess Kendrick is sent to live with her older sister, Ivy, she has no idea that the infamous Ivy Kendrick is Washington, DC's number-one "fixer" - known for making politicians' scandals go away for a price. No sooner does Tess enroll at Hardwicke Academy than she unwittingly follows in her sister's footsteps and becomes DC's premier high school fixer, solving problems for elite teens.

Meet Maggie Chase and Ethan Wyatt: She’s the new Queen of the Cozy Mystery. He’s Mr. Big-time Thriller Guy. She hates his guts. He thinks her name is Marcie (no matter how many times she’s told him otherwise.) But when they both accept a cryptic invitation to attend a Christmas house party at the English estate of a reclusive fan, neither is expecting their host to be the most powerful author in the world: Eleanor Ashley, the Duchess of Death herself.

Natasha: I’m a girl who believes in science and facts. Not fate. Not destiny. Or dreams that will never come true. I’m definitely not the kind of girl who meets a cute boy on a crowded New York City street and falls in love with him. Not when my family is 12 hours away from being deported to Jamaica. Falling in love with him won’t be my story. Daniel: I’ve always been the good son, the good student, living up to my parents’ high expectations. Never the poet. Or the dreamer. But when I see her, I forget about all that.

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.