Turning 12 1/2 shouldn't be the most exciting birthday in the world. It's a half birthday after all. But Harper is thrilled because she is getting the biggest gift of all: her parent's approval to finally get social media accounts.

When Sam's best friend gets her first boyfriend, she's not ready to spend the summer listening to the two of them call each other "pookie." Sick of being a third wheel, Sam applies to be a counselor-in-training at Whispering Pines camp in the New York Catskills. But what she doesn't realize is that it's not going to be all Kumbaya sing-alongs and gooey s'mores. If Ashley, the alpha queen of Whispering Pines, doesn't ruin Sam's summer, then her raging crush on the surfer-blond and flirtatious Hunter just might.

Isabelle Scott’s life may not be easy, but she loves it. She is a star swimmer and lifeguard, has great friends, and has been spending the summer with Brayden, a cute surfer—though they’re just friends. But her grandmother, with whom she’s lived since her mother died five years earlier, is declining quickly, and Izzie’s whole world is upended. She’s whisked away from the poor, rough neighborhood where she grew up to live with her aunt, uncle, and cousins in the exclusive Emerald Cove.

In the magical fairytale kingdom of Enchantasia, becoming a legendary prince or princess doesn't happen overnight. Enter Royal Academy, the training ground for the fairytale leaders of tomorrow! But reluctant future princess and new student Devin has some reservations about RA, especially when it comes to its headmistress. Olivina seems obsessed with preparing students for possible villain attacks. But when Devin asks when they're going to learn how to actually rule a kingdom, Olivina becomes enraged. Something isn't right with this lady.

Thanks to her best friend, Reagan, Mallory Moss knows the rules of middle school. The most important one? You have to fit in to survive. But then Jennifer Chan moves in across the street, and that rule doesn’t seem to apply. Jennifer doesn’t care about the laws of middle school, or the laws of the universe. She believes in aliens—and she thinks she can find them. Then Jennifer goes missing. Using clues from Jennifer’s journals, Mallory goes searching. But the closer she gets, the more Mallory has to confront why Jennifer might have run . . . and face the truth within herself.

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.

Sixteen-year-old Lara Jean Song keeps her love letters in a hatbox her mother gave her. They aren’t love letters that anyone else wrote for her; these are ones she’s written. One for every boy she’s ever loved - five in all. When she writes, she pours out her heart and soul and says all the things she would never say in real life, because her letters are for her eyes only. Until the day her secret letters are mailed, and suddenly, Lara Jean’s love life goes from imaginary to out of control.

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.

When Nico Morris' older sister mysteriously disappears, her parents, family, and friends are devastated. But Nico can never admit what she herself feels: relief at finally being free of Sarah's daily cruelties. Then the best and worst thing happens: four years later, after dozens of false leads, Sarah is found. But this girl is much changed from the one Nico knew. She's thin and drawn when Sarah had been golden and athletic; timid and unsure instead of brash and competitive; and, strangest of all, sweet and kind when she had once been mean and abusive.

Savannah is dreading being home alone with her overbearing mother after her big sister - and best friend - goes off to college. But if she can just get through senior year, she'll be able to escape to college, too. What she doesn't count on is that her mother's obsession with weight has only grown deeper since her appearance on an extreme weight-loss show, and now Savvy's mom is pressuring her even harder to be constantly mindful of what she eats.

With her fiery red hair, new-girl outsider status, and tendency to be a total klutz, Autumn Falls definitely isn’t flying below the radar at Aventura High. Luckily, she makes some genuine friends who take her under their wing. But she also manages to get on the wrong side of the school’s queen bee, and then finds out the guy she’s started to like, funny and sweet Sean, hangs with the mean crowd. Now her rep and her potential love life are at stake.

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.

What if your town was sliding underwater, and everyone was ordered to pack up and leave? How would you and your friends spend your last days together? While the adults plan for the future, box up their possessions, and find new places to live, Keeley Hewitt and her friends decide to go out with a bang.

Dubbed "Dumplin'" by her former beauty queen mom, Willowdean has always been at home in her own skin. Her thoughts on having the ultimate bikini body? Put a bikini on your body. With her all-American-beauty best friend, Ellen, by her side, things have always worked...until Will takes a job at Harpy's, the local fast-food joint. There she meets Private School Bo, a hot former jock. Will isn't surprised to find herself attracted to Bo. But she is surprised when he seems to like her back.

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.

The first day of middle school means trading in freeze tag at the pool for new schedules, fabulous outfits, and a fresh start. But for 11-year-old Kaylan, the chaos of new locker combinations, cafeteria cliques, and potential first kisses is more than she can handle. She dreads the start of sixth grade and feels like she wants - no, needs - a winning game plan. Luckily, Kaylan and her effortlessly chill BFF, Arianna, have a fool-proof plan for tackling transitions: a list of 11 things they need to do to totally transform themselves before they both turn 12 in November.

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.

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.

Maddie doesn't believe in luck. She's all about hard work and planning ahead. But one night she buys a lottery ticket on a whim, and, to her astonishment, she wins! In a flash Maddie's life is unrecognizable. No more stressing about college scholarships - nope, now she's suddenly talking about renting a yacht and basking in the spotlight at school! But then rumors start flying, and random people begin asking her for loans. Suddenly Maddie finds that she isn't sure whom she can trust.

Seventeen-year-old Abby Turner's summer isn't going the way she'd planned. She has a not-so-secret but definitely unrequited crush on her best friend, Cooper. She hasn't been able to manage her mother's growing issues with anxiety. And now she's been rejected from an art show because her work "has no heart". So when she gets another opportunity to show her paintings, Abby isn't going to take any chances. Which is where the list comes in. Abby gives herself one month to do 10 things, ranging from face a fear (three) to learn a stranger's story (five) to fall in love (eight).

As 14-year-old Christy leaves her family's Wisconsin farm to spend the summer at her wealthy aunt and uncle's home in Newport Beach, she hopes this will be the best summer of her life. When she meets surfer Todd with his screaming silver blue eyes, she's certain it will be. But when the summer doesn't unfold as Christy had hoped, she wonders if she'll keep her promise to her parents not to do anything she'll regret. Will she do anything to get Todd's attention, to be accepted, to force her summer to give her everything it promised?

The last time Lex was happy, it was before. When she had a family that was whole. A boyfriend she loved. Friends who didn't look at her like she might break down at any moment. Now she's just the girl whose brother killed himself. And it feels like that's all she'll ever be. As Lex starts to put her life back together, she tries to block out what happened the night Tyler died. But there's a secret she hasn't told anyone--a text Tyler sent that could have changed everything.

Leila has made it most of the way through Armstead Academy without having a crush on anyone, which is a relief. As an Iranian American, she’s different enough; if word got out that Leila liked girls, life would be twice as hard. But when beautiful new girl Saskia shows up, Leila starts to take risks she never thought she would.

It's 1996, and less than half of all American high-school students have ever used the Internet. Emma just got her first computer and an America Online CD-ROM. Josh is her best friend. They power up and log on - and discover themselves on Facebook, 15 years in the future. Everybody wonders what their Destiny will be. Josh and Emma are about to find out.

Sam Walsh had been missing for three years. His older sister, Beth, thought he was dead. His childhood friend Josh thought it was all his fault. They were the last two people to see him alive. Until now. Because Sam has been found, and he's coming home. Beth desperately wants to understand what happened to her brother, but her family refuses to talk about it - even though Sam is clearly still affected by the abuse he faced at the hands of his captor.

Liam "Mr. Popular" Carter will always be the closest thing to the "walking plague" in my eyes. His cockiness seeps through his every move, and no matter how many state championships he wins with the basketball team, he will forever be a "loss" to me. Because he's my older brother's best friend, I'm forced to tolerate him, and he's forced to tolerate me. In fact, unless my brother is around, we happily ignore each other every chance we get. It wasn't always this way, though....

When 16-year-old Alice is diagnosed with leukemia, her prognosis is grim. To maximize the time she does have, she vows to spend her final months righting wrongs - however she sees fit. She convinces her friend Harvey, who she knows has always had feelings for her, to help her with a crazy bucket list that's as much about revenge (humiliating her ex-boyfriend and getting back at her archnemesis) as it is about hope (doing something unexpectedly kind for a stranger).

What's it like to be undocumented? High school senior M.T. knows all too well. With graduation and an uncertain future looming, she must figure out how to grow up in the only country she's ever called home... a country in which she's "illegal". M.T. was born in Argentina and brought to America as a baby without any official papers. And as questions of college, work, and the future arise, M.T. will have to decide what exactly she wants for herself, knowing someone she loves will unavoidably pay the price for it.

Unlike the thousands converging at Moon Shadow to witness a total solar eclipse, Ally calls the isolated campground home. Bree shields herself in a cloak of good looks and popularity, but there is something within her no one suspects. And Jack, overweight and socially inept, finds himself on the verge of a startling possibility.

Sam Jones and Zoe Miller have one thing in common: they both want an escape from reality. Loner Sam flies under the radar at school and walks on eggshells at home to manage her mom’s obsessive-compulsive disorder, wondering how she can ever leave to pursue her dream of studying aerospace engineering. Popular, people-pleasing Zoe puts up walls so no one can see her true self: the girl who was abandoned as an infant, whose adoptive mother has cancer, and whose disabled brother is being sent away to live in a facility.