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.

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 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.

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… and must team up with a rugged, grumpy operative to stay alive.

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.

Filled with practical tips and helpful advice, Dear Ally is a treasure for aspiring writers at any stage of their careers. It offers a behind-the-scenes look at how books get made, from idea to publication, and gives you insight into the writing processes of some of the biggest and most talented YA authors writing today.

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

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.

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.

When Sawyer Taft agrees to move in with her grandmother, she expects some things to be different, but what she doesn't expect is to get sucked into a group of over-privileged, yet somehow lovable debs who have kidnapped one of their own in hopes of blackmailing her into keeping their secrets under wraps - secrets that are far bigger and more scandalous than anyone could have imagined. As Sawyer works to uncover the identity of her father, she must also navigate the twisted relationships between her new friends and their powerful parents and help them discover the villain among them.

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.

I only try on one of Nina’s pristine white dresses once. Just to see what it’s like. But she soon finds out...and by the time I realize my attic bedroom door only locks from the outside, it’s far too late. But I reassure myself: The Winchesters don’t know who I really am. They don’t know what I’m capable of....

On a beautiful summer night in a charming English suburb, a young woman and her boyfriend disappear after partying at the massive country estate of a new college friend. One year later, a writer moves into a cottage on the edge of the woods that border the same estate. Known locally as the Dark Place, the dense forest is the writer’s favorite place for long walks and it’s on one such walk that she stumbles upon a mysterious note that simply reads, “DIG HERE.”

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.

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.

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.

Red Stevens has died, and the older members of his family receive their millions with greedy anticipation. But a different fate awaits young Jason, whom Stevens, his great-uncle, believes may be the last vestige of hope in the family. Jason does not become an instant millionaire. What Stevens does give Jason leads to The Ultimate Gift. Young and old will take this timeless tale to heart.

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.

Everyone wants a piece of millionaire Bennett Marshfield, owner of Marshfield Manor, but now it's up to new curator Grace Wheaton and handsome groundskeeper Jack Embers to protect dear old Marshfield. But to do this, they'll have to investigate a botched Ponzi scheme, some torrid Wheaton family secrets-and sour grapes out for revenge.

The only thing more flawless than a Saybrook’s solitaire is the family behind the diamond empire. Beauties, entrepreneurs, debutantes, and mavens, the Saybrooks are the epitome of high society. Anyone would kill to be one of them. But be careful what you wish for, because if you were a Saybrook, you’d be haunted by secrets and plagued by a dark streak of luck. Tragedy strikes the prominent family yet again on a beautiful morning in May when 34-year-old Poppy, the most remarkable Saybrook of them all, flings herself from the window of her office.

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.

Melanie Turner has made quite a name for herself remodeling historic houses in the San Francisco Bay Area. But now her reputation may be on the line. At her newest project, a run-down Pacific Heights mansion, Mel is visited by the ghost of a colleague who recently met a bad end with power tools. Mel hopes that by nailing the killer, she can rid herself of the ghostly presence of the murdered man - and not end up a construction casualty herself....

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.

Jamie Watson has always been intrigued by Charlotte Holmes; after all, their great-great-great-grandfathers were one of the most infamous pairs in history. But the Holmes family has always been odd, and Charlotte is no exception. She's inherited Sherlock's volatility and some of his vices - and when Jamie and Charlotte end up at the same Connecticut boarding school, Charlotte makes it clear she's not looking for friends.

From behind the wheel of her car, Tess Kincaid glimpses a woman walking down a Madison, Wisconsin, street. They've never met, but Tess sees the same features every time she looks in the mirror. Tess introduces herself and discovers that she and her doppelganger, Mimi, have more than appearance in common. They even share the same birthday. Mimi - confident and outgoing where Tess is understated and shy - is convinced they're twins, separated shortly after birth. When a body is discovered in a local marsh, Tess is entangled in a search for the truth....

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.

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.

As a boy, Will Klein had a hero: his older brother, Ken. Then, on a warm suburban night in the Kleins’ affluent New Jersey neighborhood, a young woman—a girl Will had once loved—was found brutally murdered in her family’s basement. The prime suspect: Ken Klein. With the evidence against him overwhelming, Ken simply vanished. And when his shattered family never heard from Ken again, they were sure he was gone for good.

Jeremy Fink has big plans for this summer with his best friend Lizzy, a notorious troublemaker (and no, he does not have a secret crush on her). He has everything he needs within a few blocks of his home, so he never has to leave his little neighborhood. And this summer, he officially becomes a teenager.