Once upon a time, in Westchester and Orlando, there were four betas just waiting for their alpha. It took a miracle to bring the Pretty Committee together - or rather, a New Year's Yves party. Because sometimes when you meet someone...it just cliques.

Shortly before her 17th birthday, Emma discovers she has a long-lost twin named Sutton Mercer. She contacts Sutton, who agrees to a rendezvous but never shows up. Curious at first, Emma slips into Sutton's ultra-glamorous life, assuming her identity. When it becomes clear that Sutton is not coming back, that someone made sure she never could, Emma plunges in to investigate who could have wanted her sister gone (a fairly long list, she discovers).

Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. And Hanna uses some ugly tricks to stay beautiful. But they've all kept an even bigger secret since their friend Alison vanished.

Monday Charles is missing, and only Claudia seems to notice. Claudia and Monday have always been inseparable - more sisters than friends. So when Monday doesn’t turn up for the first day of school, Claudia’s worried. When she doesn’t show for the second day, or second week, Claudia knows that something is wrong. As Claudia digs deeper into her friend’s disappearance, she discovers that no one seems to remember the last time they saw Monday. How can a teenage girl just vanish without anyone noticing that she’s gone?

Waverly Lyons has been caught in the middle of her parents’ divorce for as long as she can remember. This summer, the battle rages over who she’ll spend her vacation with, and when Waverly’s options are shot down, it’s bye-bye Fairbanks, Alaska, and hello Holden, Florida, to stay with her aunt. Coming from the tundra of the north, the beach culture isn’t exactly Waverly’s forte. The sun may just be her mortal enemy, and her vibe is decidedly not chill. To top it off? Her ability to swim is nonexistent.

Winnie Perry went through a lot when she was 11, from shifting friendships to her teenage sister's mood swings. But now that Winnie is 12, and one step closer to being a teenager herself, there is so much more to deal with. Will her new friendship with Dinah last? Can she handle the pressures of junior high? And, most important, will Winnie survive bra shopping (in public!) with Mom?

Samantha Kingston has it all: the world's most crush-worthy boyfriend, three amazing best friends, and first pick of everything at Thomas Jefferson High—from the best table in the cafeteria to the choicest parking spot. Friday, February 12, should be just another day in her charmed life. Instead, it turns out to be her last. Then she gets a second chance. Seven chances, in fact.

Two hundred years of secrets and lies are bleeding into the present, and high school seniors, Hunter Morrissey and Rowen Corbett, find themselves linked with unseen forces shrouded in mystery and violence in the quaint river town of Sleepy Hollow...but the dark water of the Hudson River is not the only blackness looming in the distance. Truths, buried and long forgotten, have risen at a time when the veil between the living and the dead is at its thinnest.

Changers Book One: Drew opens on the eve of Ethan Miller's freshman year of high school in a brand-new town. He's finally sporting a haircut he doesn't hate, has grown two inches since middle school, and can't wait to try out for the soccer team. At last, everything is looking up in life. Until the next morning. When Ethan awakens as a girl. Ethan is a Changer, a little-known, ancient race of humans who live out each of their four years of high school as a different person.

Hi, my name is Bree Camden, and I’m hopelessly in love with my best friend and star quarterback Nathan Donelson (so is half of America, judging by the tabloids and how much the guy dates). The first step is admitting it, right? Except, I can never admit it to him because he clearly doesn’t see me that way, and the last thing I want is for things to get weird between us. Nothing but good old-fashioned no-touching-the-sexiest-man-alive platonic friendship for us! Everything is exactly how I like it! Yes. Good. (I’m not crying; I’m just peeling an onion.)

When Springville residents—at least the ones still alive—are questioned about what happened on prom night, they all have the same explanation . . . Maddy did it. An outcast at her small-town Georgia high school, Madison Washington has always been a teasing target for bullies. And she's dealt with it because she has more pressing problems to manage. Until the morning a surprise rainstorm reveals her most closely kept secret: Maddy is biracial. She has been passing for white her entire life at the behest of her fanatical white father, Thomas Washington.

It's one thing to fall head over heels into a puddle of hazelnut coffee, and quite another to fall for the - gasp - wrong guy. Straight-A junior Julia may be accident prone, but she's queen of following rules and being prepared. That's why she keeps a pencil sharpener in her purse and a pocket Shakespeare in her, well, pocket. And that's also why she's chosen Mark Bixford, her childhood crush, as her MTB ("meant to be").

Regan's brother Liam can't stand the person he is during the day. Like the moon from whom Liam has chosen his female namesake, his true self, Luna, only reveals herself at night. In the secrecy of his basement bedroom Liam transforms himself into the beautiful girl he longs to be, with help from his sister's clothes and makeup. Now, everything is about to change - Luna is preparing to emerge from her cocoon. But are Liam's family and friends ready to welcome Luna into their lives?

Katie Parker is about to get a new life - whether she wants one or not. With her mom in prison, and her father AWOL, Katie is sent to live with a squeaky-clean family who could have their own sitcom. She launches a full-scale plan to get sent back to the girls home, when she finds herself in over her head...and heart.

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.

Regan's brother Liam can't stand the person he is during the day. Like the moon from whom Liam has chosen his female namesake, his true self, Luna, only reveals herself at night. In the secrecy of his basement bedroom Liam transforms himself into the beautiful girl he longs to be, with help from his sister's clothes and makeup. Now, everything is about to change - Luna is preparing to emerge from her cocoon. But are Liam's family and friends ready to welcome Luna into their lives?

Shortly before her 17th birthday, Emma discovers she has a long-lost twin named Sutton Mercer. She contacts Sutton, who agrees to a rendezvous but never shows up. Curious at first, Emma slips into Sutton's ultra-glamorous life, assuming her identity. When it becomes clear that Sutton is not coming back, that someone made sure she never could, Emma plunges in to investigate who could have wanted her sister gone (a fairly long list, she discovers).

Winnie Perry went through a lot when she was 11, from shifting friendships to her teenage sister's mood swings. But now that Winnie is 12, and one step closer to being a teenager herself, there is so much more to deal with. Will her new friendship with Dinah last? Can she handle the pressures of junior high? And, most important, will Winnie survive bra shopping (in public!) with Mom?

Clara Shin lives for pranks and disruption. When she takes one joke too far, her dad sentences her to a summer working on his food truck, the KoBra, alongside her uptight classmate Rose Carver. Not the carefree summer Clara had imagined. But maybe Rose isn't so bad. Maybe the boy named Hamlet (yes, Hamlet) crushing on her is pretty cute. Maybe Clara actually feels invested in her dad's business. What if taking this summer seriously means Clara has to leave her old self behind?

Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. And Hanna uses some ugly tricks to stay beautiful. But they've all kept an even bigger secret since their friend Alison vanished.

Samantha Kingston has it all: the world's most crush-worthy boyfriend, three amazing best friends, and first pick of everything at Thomas Jefferson High—from the best table in the cafeteria to the choicest parking spot. Friday, February 12, should be just another day in her charmed life. Instead, it turns out to be her last. Then she gets a second chance. Seven chances, in fact.

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.

Discovering George Michael's Faith confirmed for David Crabb what every bully already knew: He was gay. What saved him from high school was finding a group of outlandish friends who reveled in being outsiders. David found himself enmeshed with misfits: wearing black, cutting class, staying out all night, drinking, tripping, chain-smoking, idolizing the Pet Shop Boys - and learning lessons about life and love along the way.

Two years ago, the aliens made contact. Now Cara Sweeney is going to be sharing a bathroom with one of them. Handpicked to host the first-ever L'eihr exchange student, Cara thinks her future is set. Not only does she get a free ride to her dream college, she'll have inside information about the mysterious L'eihrs that every journalist would kill for. Cara's blog following is about to skyrocket. Still, Cara isn't sure what to think when she meets Aelyx. Humans and L'eihrs have nearly identical DNA, but cold, infuriatingly brilliant Aelyx couldn't seem more alien.

LA shoe designer Maddie Springer lives her life by three rules: Fashion. Fashion. Fashion. But when she stumbles upon the work of a brutal killer, her life takes an unexpected turn from Manolos to murder. And things only get worse when her boyfriend disappears - along with $20 million in embezzled funds - and her every move is suddenly under scrutiny by the LAPD's sexiest cop. With the help of her post-menopausal bridezilla of a mother, a 300-pound psychic, and one seriously oversexed best friend, Maddie finds herself stepping out of her stilettos and onto the trail of a murderer.

What girl doesn't want to be surrounded by gorgeous jocks day in and day out? Jordan Woods isn't just surrounded by hot guys, though - she leads them as the captain and quarterback of her high school football team. They all see her as one of the guys and that's just fine. As long as she gets her athletic scholarship to a powerhouse university. But everything she's ever worked for is threatened when Ty Green moves to her school.

There was a time when geeky, squeaky-clean Max Kilgore would never lie or steal or even think about murder. Then he accidentally unearths a devil, and Max's choices are no longer his own. The big red guy has a penchant for couch surfing and junk food - and you should never underestimate evil on a sugar high.

Jason Carrillo is a jock with a steady girlfriend, but he can't stop dreaming about sex...with other guys. Kyle Meeks doesn't look gay, but he is. And he hopes he never has to tell anyone - especially his parents. Nelson Glassman is "out" to the entire world, but he can't tell the boy he loves that he wants to be more than just friends. Three teenage boys, coming of age and out of the closet.

When college freshman Rowan Michaels meets gorgeous, up-and-coming rock star Adam Everest, she knows a player like him is the last thing she needs after her ex-boyfriend shattered her heart. But she can't stop thinking about the kiss they shared on his tour bus. On the first day of school, Rowan is stunned when Adam saunters into her French class. He's soon failing miserably, and, on a whim, she offers to tutor him. But Adam doesn't recognize her as a makeup-free, glasses-clad college student.

A steamy summer encounter with bad boy Jude means trouble for Lucy. Her sights are set on becoming a ballerina, and she won't let anything get in her way...except Jude. He's got a rap sheet, dangerous mood swings, and a name that's been sighed, shouted, and cursed by who knows how many girls. Jude's a cancer, the kind of guy who's fated to ruin the lives of girls like Lucy - and he tells her so. But as rumors run rampant and reputations are destroyed, Lucy's not listening to Jude's warning.