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.

Emmy and Oliver were going to be best friends forever, or maybe even more, before their futures were ripped apart. In Emmy's soul, despite the space and time between them, their connection has never been severed. But is their story still written in the stars? Or are their hearts like the pieces of two different puzzles - impossible to fit together?

Being the middle child has its ups and downs. But for Grace, an only child who was adopted at birth, discovering that she is a middle child is a different ride altogether. After putting her own baby up for adoption, she goes looking for her biological family, including: Maya, her loudmouthed younger bio sister, who has a lot to say about their newfound family ties. And Joaquin, their stoic older bio brother, who has no interest in bonding over their shared biological mother.

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…

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.

Since she can remember, Katarina's relatives have been grooming her for the family business - thieving. But when Kat tries to go straight and leave the Life for a normal life, she's promptly kicked out of her new school for stealing the headmaster's car and mounting it on the school fountain. Although she could have done it without breaking a sweat, ironically, this time, she's innocent.

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.

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.

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.

Before Amberly came to the palace, she was a four in love with a one. Before Maxon met the girl of his dreams, he was the boy of someone else's.

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.

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.

Fourteen-year old Sophronia is the bane of her mother's existence. More interested in dismantling clocks and climbing trees than proper etiquette at tea - and god forbid anyone see her atrocious curtsy - Mrs. Temminnick is desperate her daughter become a proper lady. She enrolls Sophronia in Mademoiselle Geraldine's Finishing Academy for Young Ladies of Quality.

But little do Sophronia or her mother know that this is a school where ingenious young girls learn to finish all right - but it's a different kind of finishing.

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.

Farrah "Digit" Higgins may be going to MIT in the fall, but this L.A. high school genius has left her geek self behind in another school district so she can blend in with the popular crowd at Santa Monica High and actually enjoy her senior year. But when Farrah, the daughter of a UCLA math professor, unknowingly cracks a terrorist group's number sequence, her laid-back senior year gets a lot more interesting. Soon she is personally investigating the case, on the run from terrorists, and faking her own kidnapping - all while trying to convince a young, hot FBI agent to take her seriously.

Seventeen-year-old Caymen Meyers learned early that the rich are not to be trusted. And after years of studying them from behind the cash register of her mom's porcelain-doll shop, she has seen nothing to prove otherwise. Enter Xander Spence-he's tall, handsome, and oozing rich. Despite his charming ways and the fact that he seems to be one of the first people who actually gets her, she's smart enough to know that his interest won't last.

It's been a year since it happened - when Paige Hancock's first boyfriend died in an accident. After shutting out the world for two years, Paige is finally ready for a second chance at high school...and she has a plan. First: Get her old crush, Ryan Chase, to date her - the perfect way to convince everyone she's back to normal. Next: Join a club. But when Ryan's sweet, nerdy cousin, Max, moves to town and recruits Paige for the Quiz Bowl team, her perfect plan is thrown for a serious loop.

When CIA agent Merry Wrath is "accidently" outted, she's forced her into early retirement, changes her appearance, and moves where no one will ever find her - Iowa. Instead of black bag drops in Bangkok, she now spends her time leading a young Girl Scout troop. But Merry's new simple life turns not-so-simple when an enemy agent shows up dead at scout camp. Suddenly Merry is forced to deal with her former life in order to preserve her future one.

Amanda is reliving her 11th birthday over and over again - even the fight with her best friend, Leo. How can she fix everything and put the day behind her? Only time, friendship, and luck will tell.

Two secrets. One bet. Who will break first? Taylor Caldwell can't decide if she wants to kiss her new college roommate or punch him. On the one hand, Hunter Zaccadelli is a handsome blue-eyed bundle of charm. On the other, he's a tattooed, guitar-playing bad boy. Maybe that's why Taylor's afraid of falling in love with him, or anyone else. She doesn't want to get burned, so she needs him gone before it's too late.

While looking out the window with her grandma's binoculars, Sammy witnesses a crime across the street at the Heavenly Hotel. What's worse, the thief saw her spying! As Sammy attempts to find the burglar who has made several other hits in the neighborhood, she finds herself trying to keep him from uncovering her - or worse, the police discovering that she's living illegally with her grandmother in the seniors-only housing!

Most high school sports teams have rivalries with other Schools. At Hamilton High, it’s a civil war: the football team versus the soccer team. And for her part, Lissa is sick of it. Her quarterback boyfriend, Randy, is always ditching her to go pick a fight or haze a freshman. And on three separate occasions Randy’s car has been egged while he and Lissa were inside, making out. She is done competing with a bunch of sweaty boys for her own boyfriend’s attention. Lissa decides to end the rivalry once and for all: She and the other players’ girlfriends go on a hookup strike.

Joanna Gordon has been out and proud for years, but when her popular radio evangelist father remarries and decides to move all three of them from Atlanta to the more conservative Rome, Georgia, he asks Jo to do the impossible: to lie low for the rest of her senior year. And Jo reluctantly agrees. Although it is (mostly) much easier for Jo to fit in as a straight girl, things get complicated when she meets Mary Carlson, the oh-so-tempting sister of her new friend at school. But Jo couldn't possibly think of breaking her promise to her dad.

Me and the legendary Zimmerman twins - it's a friendship made in geek heaven. And it all started back when I worked for the NSA... My best friend Basia dragged me to the beach for her idea of a vacation. All those annoying people, sand in embarrassing places - not exactly R & R for a girl who doesn't like the sun, the ocean, or bathing suits. I couldn't wait to get back to work. But things started looking up when I ran into Elvis and Xavier Zimmerman. We discovered we had a lot in common: gaming, anchovies, hacking.

When Abbey’s best friend, Kristen, vanishes at the bridge near Sleepy Hollow Cemetery, everyone else is all too quick to accept that Kristen is dead, and rumors fly that her death was no accident. Abbey goes through the motions of mourning her best friend, but privately, she refuses to believe that Kristen is really gone. Then she meets Caspian, the gorgeous and mysterious boy who shows up out of nowhere at Kristen’s funeral, and who keeps reappearing in Abbey’s life. Caspian clearly has secrets of his own, but he’s the only person who makes Abbey feel normal again.

To say eighteen-year-old Farrah Higgins—or Digit—is good at math is a laughable understatement. She’s been cracking codes since childhood, and is finally at home with “her people” at MIT in Cambridge. Her talents are so off the charts that her laptop is under surveillance by both the CIA and an ecoterrorist named Jonas Furnis. So when she thoughtlessly hacks into the Department of Defense’s database, she lands in serious hot water inside and outside the law.

Seventeen-year-old Bianca Piper is cynical and loyal, and she doesn’t think she’s the prettiest of her friends by a long shot. She’s also way too smart to fall for the charms of man-slut and slimy school hottie Wesley Rush. In fact, Bianca hates him. And when he nicknames her “the Duff,” she throws her Coke in his face. But things aren’t so great at home right now, and Bianca is desperate for a distraction. She ends up kissing Wesley. Worse, she likes it.

Amanda Obermann. Code name Iris. It’s Testing Day. The day that comes without warning, the day when all juniors and seniors at The Peel Academy undergo a series of intense physical and psychological tests to see if they’re ready to graduate and become government operatives. Amanda and her boyfriend Abe are top students, and they’ve just endured thirty-six hours of testing. But they’re juniors and don’t expect to graduate. That’ll happen next year, when they plan to join the CIA - together.

Classic movie buff Bailey "Mink" Rydell has spent months crushing on a witty film geek she only knows online by "Alex". Two coasts separate the teens until Bailey moves in with her dad, who lives in the same California surfing town as her online crush. Faced with doubts (what if he's a creep in real life - or worse?), Bailey doesn't tell Alex she's moved to his hometown. Or that she's landed a job at the local tourist-trap museum. Or that she's being heckled daily by the irritatingly hot museum security guard, Porter Roth - a.k.a. her new arch-nemesis.