Twelve-year-old Harper has been dancing practically since she could walk. She loves her dance studio and team and just won her first ever top junior solo in a regional competition. But right before the school year starts, Harper's parents drop a bombshell - the family has to relocate from their cozy town in Connecticut to sunny Florida for their jobs. That means good-bye to her friends, dance team, trips to see shows in NYC. When she arrives at her new dance school and new team, it feels like everyone has better feet, quicker turns, and faster taps than Harper.

Maddie Ziegler had hoped to become a star - she just didn't know how soon that day would come. At just eight years old, she was cast on Lifetime's hit reality show Dance Moms and quickly won the hearts of fans everywhere with her natural talent and determination. Soon she was catching eyes all over - including those of pop superstar Sia, who handpicked her to star in the incredibly popular music video "Chandelier". The rest, as they say, was history.

Chloe Lukasiak believes that things happen for a reason. She knows that life would be easier without disappointments, bullying, and medical issues - but sometimes it takes challenges to inspire you to achieve big things. From her status as fan favourite on the US hit reality television show Dance Moms to her current life as a social media star with millions of fans, Chloe has found that self-acceptance and kindness are the key to getting over the rough spots in life and realising your passions.

Eleven-year-old Charlie Reese has been making the same secret wish every day since fourth grade. But when she is sent to the Blue Ridge Mountains of North Carolina to live with family she barely knows, it seems unlikely that her wish will ever come true. That is until she meets Wishbone, a skinny stray dog who captures her heart, and Howard, a neighbor boy who proves surprising in lots of ways. Suddenly Charlie is in serious danger of discovering that what she thought she wanted may not be what she needs at all.

Belly measures her life in summers. Everything good, everything magical happens between the months of June and August. Winters are simply a time to count the weeks until the next summer, a place away from the beach house, away from Susannah, and most importantly, away from Jeremiah and Conrad. They are the boys that Belly has known since her very first summer—they have been her brother figures, her crushes, and everything in between. But one summer, one wonderful and terrible summer, the more everything changes, the more it all ends up just the way it should have been all along.

Last week I cut my hair, bought some boys' clothes and shoes, wrapped a large ACE bandage around my chest to flatten my fortunately-not-large breasts, and began looking for a new name. Angela Katz-McNair has never felt quite right as a girl. Her whole life is leading up to the day she decides to become Grady, a guy. While coming out as transgendered feels right to Grady, he isn't prepared for the reaction he gets from everyone else.

With her irresistible urge to tell a joke in every situation—even when she really, really shouldn't—twelve-year-old Jacky Ha-Ha loves to make people laugh. And cracking wise helps distract her from thinking about not-so-funny things in her life, like her mom serving in a dangerous, faraway war, and a dad who's hardly ever home.

Twelve-year-old Shayla is allergic to trouble. All she wants to do is to follow the rules. (Oh, and she’d also like to make it through seventh grade with her best friendships intact, learn to run track, and have a cute boy see past her giant forehead.) But in junior high, it’s like all the rules have changed. Now she’s suddenly questioning who her best friends are and some people at school are saying she’s not black enough. Wait, what?

When Theo's photography project is mysteriously vandalized at school, there are five suspected students who all say, "It wasn't me." Theo just wants to forget about the humiliating incident, but his favorite teacher is determined to get to the bottom of it and has the six of them come into school over vacation to talk. She calls it "Justice Circle". The six students - the Nerd, the Princess, the Jock, the Screw Up, the Weirdo, and the Nobody - think of it as detention. A.k.a. their worst nightmare. That is until they realize they might get along after all, despite their differences.

Flint loves to draw. In fact, he's furiously trying to finish his comic book, so he can be the youngest winner of the "Find a Comic Star" contest. He's also rushing to finish because he has keratoconus - an eye disease that could eventually make him blind. McKell is the new girl at school and immediately hangs with the popular kids. Except McKell's not a fan of the way her friends treat this boy named Squint. He seems nice and really talented. He draws awesome pictures of superheroes. McKell wants to get to know him, but is it worth the risk?

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.

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.

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.

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.

Elena Soo has always felt overshadowed. Whether by her more successful older sisters, her more popular twin brother, or her more outgoing best friend, everyone except Elena seems to know exactly who they are and what they want. But she is certain about one thing—she has no interest in going to prom. While the rest of the school is giddy over corsages and dresses, Elena would rather spend her time working to save the local community center. So when international K-pop superstar Robbie Choi shows up at her house to ask her to prom, Elena is more confused than ever.

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.

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.

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

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.

Last week I cut my hair, bought some boys' clothes and shoes, wrapped a large ACE bandage around my chest to flatten my fortunately-not-large breasts, and began looking for a new name. Angela Katz-McNair has never felt quite right as a girl. Her whole life is leading up to the day she decides to become Grady, a guy. While coming out as transgendered feels right to Grady, he isn't prepared for the reaction he gets from everyone else.

Justin has two goals for sophomore year: to date Chuck, the hottest boy in school, and to become the king of Cool U, the table in the cafeteria where the "in" crowd sits. Unfortunately, he has the wrong look (short, plump, Brillo-pad curls), he has the wrong interests (Broadway, chorus violin), and he has the wrong friends (Spencer, into Eastern religions, and Mary Ann, who doesn't shave her armpits). And Chuck? Well, he's not gay; he's dating Becky, a girl in chorus with whom Justin is friendly.

Skye Shin has heard it all. Fat girls shouldn’t dance. Wear bright colors. Shouldn’t call attention to themselves. But Skye dreams of joining the glittering world of K-Pop, and to do that, she’s about to break all the rules that society, the media, and even her own mother, have set for girls like her. She’ll challenge thousands of other performers in an internationally televised competition looking for the next K-pop star, and she’ll do it better than anyone else.

I'm Mackenzie Wellesley, and I've spent my life avoiding the spotlight. But that was four million hits ago... Blame it on that grade school ballet recital, when I tripped and pulled the curtain down, only to reveal my father kissing my dance instructor. At Smith High, I'm doing a pretty good job of being the awkward freshman people only notice when they need help with homework. Until I send a burly football player flying with my massive backpack, and make a disastrous - not to mention unwelcome - attempt at CPR.

When Gia Montgomery's boyfriend, Bradley, dumps her in the parking lot of her high school prom, she decides to do the unthinkable...convince the cute guy waiting to pick up his sister to pretend to be her boyfriend for the night. The task is simple: two hours, zero commitment, a few white lies.

While spacing out in Chemistry class, Lily scribbles some of her favorite song lyrics onto her desk. The next day, she finds that someone has continued the lyrics on the desk, and added a message to her. Intrigue! Soon, Lily and her anonymous pen pal are exchanging full-on letters - sharing secrets, recommending bands, and opening up to each other. Lily realizes she's kind of falling for this letter writer. Only who is he?

Cameron Bates (Cam) could have almost any girl at Franklin High School...except for the one he wants. Unfortunately Bebe seems to be immune to his flirty charm and good looks, which means one of two things: a) she's completely oblivious to how he feels, or b) she's just not into him. If that's the case, declaring his love would be disastrous for their friendship. Bianca Barnes (Bebe) has a huge problem: the universe hates her. Every time she admits feelings for a boy, he ends up falling for her sweet, popular, and beautiful sister Beth.

In Hollywood, fame can be found on every corner and behind any door. You just have to know where to look for it. Nineteen-year-old Madison Parker made a name for herself as best frenemy of nice-girl-next-door Jane Roberts on the hot reality show L.A. Candy. Now Madison's ready for her turn in the spotlight and she'll stop at nothing to get it. Sure, she's the star of a new show, but with backstabbing friends and suspicious family members trying to bring her down, Madison has her work cut out for her.

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.

Daniel is the backup punter for the Erie Hills Elephants, which really means he's the water boy. He spends most of his time hoping no one notices his strange habits - he calls them Zaps: avoiding writing the number four, for example. His life gets weirder when another girl at school, unkindly nicknamed Psycho Sara, notices him for the first time. She seems to peer through him. Then Daniel gets a note: "I need your help", it says, signed, Fellow Star Child - whatever that means. Suddenly, Daniel, a total no one at school, is swept up in a mystery that might change everything for him.

Abby Carnelia is an average sixth grader. She gets along okay with her parents, does pretty well in school, and has an annoying little brother. There’s absolutely nothing remarkable about her at all — that is, until the day when she happens to tug on her earlobes while standing in front of a hard-boiled egg. That’s the day Abby discovers there’s something very, very special about her after all: she has a magical power, and there are some people who will do anything to find out where it came from.