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.

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.

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.

With an agoraphobic mother and a barely-there father, Sang abhors the isolation keeping her in the shadows. The only thing Sang craves is a fresh start and to be accepted as ordinary by her peers, because for her being different meant being cast out alone. When her family moves to a new school district, Sang infiltrates a group of boys nearly perfect in every way.

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.

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.

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.

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.

On the eve of his father’s death, Tyler Thompson finds himself continually haunted by the memories of things lost. Since that horrible day, he continually gets into trouble, seeking anger as a coping mechanism. That is, until one day, in a tragic turn of events, Tyler, along with his faithful dog Maxx, fall into a cesspool where he is exposed to a mysterious green liquid that changes his DNA, giving him extraordinary powers.

Kathryn Broussard has managed her life with dignity and an I-know-you-have-feelings-but-I'm-coming-through-anyway attitude. She exudes confidence and control over the land much as a reigning queen rules her court. Her main focus - Grace, her daughter. Although grown, Grace depends on her mother's razor-sharp decision-making ability for everything. All is well in the land of dysfunctional mother-daughterhood until the unthinkable happens. Kathryn dies.

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.

Mason has never known his father, but longs to. All he has of him is a DVD of a man whose face is never seen, reading a children’s book. One day, on a whim, he plays the DVD for a group of comatose teens at the nursing home where his mother works. One of them, a beautiful girl, responds. Mason learns she is part of an experiment intended to render teenagers into autotrophs—genetically engineered, self-sustaining life-forms who don’t need food or water to survive.

Erin Blake has one of those names. A name that, like Natalee Holloway or Elizabeth Smart, is inextricably linked to a grisly crime. As a toddler, Erin survived for three days alongside the corpse of her murdered mother, and the case - which remains unsolved - fascinated a nation. Her father's identity unknown, Erin was taken in by her mother's best friend and has become a relatively normal teen in spite of the looming questions about her past.

The marshals are looking for the perfect girl to join a mother, father, and son on the run from the nation's most notorious criminals. After all, the bad guys are searching for a family with one kid, not two, and adding a streetwise girl who knows a little something about hiding things may be just what the marshals need. Nicki swears she can keep the Trevor family safe, but to do so she'll have to dodge hit men, cyberbullies, and the specter of standardized testing, all while maintaining her marshal-mandated B-minus average.

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.

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.

I can't say they didn't warn me. Right now, I realize: I probably should have listened. Because if there's anyone who has no business playing a sport that requires a helmet, pads, and a liability waiver, it's this girl. The same girl who once knocked herself out during a game of backyard baseball. I stepped up to the plate, pulled the bat back a little too far to swing, and clocked myself in the back of the skull. Boom. Lights Out Lucy. That's how I got my roller derby name. So yeah. Maybe I should have known better.

The Archangel of Death is the master of taking human life. But keeping mortals alive? Not exactly Azrael's forte. For thousands of years, Azrael’s greatest enemy has been silent. Leaving him in relative peace for the first time since the great angel war. Now that silence has been broken, and the Morning Star has returned with a dangerous ultimatum: Azrael can join, or watch everything he loves be destroyed. Two lives hang in the balance - Azrael’s beloved human wife, Nadine, and their unborn, part-angel son...Warren.

As soon as Seneca Frazier sees the post on the Case Not Closed website about Helena Kelly, she's hooked. Helena's high-profile disappearance five years earlier is the one that originally got Seneca addicted to true crime. It's the reason she's a member of the site in the first place. So when Maddy Wright, her best friend from the CNC site, invites Seneca to spend spring break in Connecticut looking into the cold case, she immediately packs her bag.

An asteroid is hurtling toward Earth. A big, bad one. Maybe not kill-all-the-dinosaurs bad but at least kill-everyone-in-California-and-wipe-out-Japan-with-a-tsunami bad. Yuri, a physicist prodigy from Russia, has been recruited to aid NASA as they calculate a plan to avoid disaster. The good news is Yuri knows how to stop the asteroid - his research in antimatter will probably win him a Nobel Prize if there's ever another Nobel Prize awarded. But the trouble is, even though NASA asked for his help, no one there will listen to him.

Sixteen-year-old Noa has been a victim of the system ever since her parents died. Now living off the grid and trusting no one, she uses her computer-hacking skills to stay safely anonymous and alone. But when she wakes up on a table in an empty warehouse with an IV in her arm and no memory of how she got there, Noa starts to wish she had someone on her side. Enter Peter Gregory. A rich kid and the leader of a hacker alliance, Peter needs people with Noa's talents on his team. Especially after a shady corporation called AMRF threatens his life in no uncertain terms.

Mason has never known his father, but longs to. All he has of him is a DVD of a man whose face is never seen, reading a children’s book. One day, on a whim, he plays the DVD for a group of comatose teens at the nursing home where his mother works. One of them, a beautiful girl, responds. Mason learns she is part of an experiment intended to render teenagers into autotrophs—genetically engineered, self-sustaining life-forms who don’t need food or water to survive.

Trenton Maddox was the king of Eastern State University, dating co-eds before he even graduated high school. His friends wanted to be him, and women wanted to tame him, but after a tragic accident turned his world upside down, Trenton leaves campus to come to grips with the crushing guilt. Eighteen months later, Trenton is living at home with his widower father, and works full-time at a local tattoo parlor to help with the bills. Just when he thinks his life is returning to normal, he notices Cami sitting alone at a table at The Red.

With an agoraphobic mother and a barely-there father, Sang abhors the isolation keeping her in the shadows. The only thing Sang craves is a fresh start and to be accepted as ordinary by her peers, because for her being different meant being cast out alone. When her family moves to a new school district, Sang infiltrates a group of boys nearly perfect in every way.

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.

Jamie Bond is a former cover model who switches gears to take over the family business: The Bond Agency, a high-powered P.I. firm located in Los Angeles that specializes in domestic espionage - catching cheating husbands. Jamie's assembled a team of other disenchanted former models to help her take names and kick derrieres among L.A.'s wealthiest philandering husbands.

Charlie Wilde knew her life would change forever when her family moved from the city of Chicago to the suburbs of Arizona...and that was before she found the bracelet. After putting it on, she notices odd things start to happen. Suddenly Charlie seems to have the speed of a cheetah and the strength of an elephant - and that's just the beginning. She would be thrilled about her transformation if she had any idea how to use the device or control her amazing powers.

Sixteen-year-old Sayers Wayte has everything. Popularity, good looks, perfect grades—there's nothing Sayers' family money can't buy. Until he's kidnapped by a man who tells him the privileged life he's been living is based on a lie. Trapped in a windowless room, without knowing why he's been taken or how long the man plans to keep him shut away, Sayers faces a terrifying new reality. To survive, he must forget the world he once knew, and play the part his abductor has created for him.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.