Margaret Simon, almost 12, has just moved from New York City to the suburbs, and she’s anxious to fit in with her new friends. When she’s asked to join a secret club, she jumps at the chance. But when the girls start talking about boys, bras, and getting their first periods, Margaret starts to wonder if she’s normal. There are some things about growing up that are hard for her to talk about, even with her friends. Lucky for Margaret, she’s got someone else to confide in...someone who always listens.

Logan Foster has pretty much given up on the idea of ever being adopted. It could have something to with his awkward manner, his photographic memory, or his affection for reciting curious facts, but whatever the cause, Logan and his “PP’s” (prospective parents) have never clicked. Then everything changes when Gil and Margie arrive. Although they aren’t exactly perfect themselves—Gil has the punniest sense of humor and Margie’s cooking would have anyone running for the hills—they genuinely seem to care.

For nine-year-old Abby McAdams, everything seems to be changing. Her cousin and best friend, Zoe, has moved across the country, her mom is going back to work, and Abby is stuck in the only after-school activity still available—running—which she absolutely loathes. Her perspective on the world is changing, too, after an encounter in her community sheds light on the issue of homelessness in her town

Molly Frost is fed up.... Because Olivia was yelled at for wearing a tank top. Because Liza got dress coded and Molly didn't, even though they were wearing the exact same outfit. Because when Jessica was pulled over by the principal and missed a math quiz, her teacher gave her an F. Because it's impossible to find shorts that are longer than her fingertips. Because girls' bodies are not a distraction. Because middle school is hard enough.

Mia Tang has a lot of secrets. Number one: She lives in a motel, not a big house. Every day, while her immigrant parents clean the rooms, 10-year-old Mia manages the front desk of the Calivista Motel and tends to its guests. Number two: Her parents hide immigrants. And if the mean motel owner, Mr. Yao, finds out they've been letting them stay in the empty rooms for free, the Tangs will be doomed. Number three: She wants to be a writer. But how can she when her mom thinks she should stick to math because English is not her first language?

Isaac and Marco already know sixth grade is going to change their lives. But it won’t change things at home—not without each other’s help. This year, star basketball player Isaac plans on finally keeping up with his schoolwork. Better grades will surely stop Isaac’s parents from arguing all the time. Meanwhile, straight-A Marco vows on finally winning his father’s approval by earning a spot on the school’s basketball team. But will their friendship and support for each other be enough to keep the two boys from falling short?

Jen did not want to leave the city. She did not want to move to a farm with her mom and her mom's new boyfriend, Walter. She did not want to leave her friends and her dad. Most of all, Jen did not want to get new "sisters", Andy and Reese. As if learning new chores on Peapod Farm wasn't hard enough, having to deal with perfect-at-everything Andy might be the last straw for Jen. Besides cleaning the chicken coop, trying to keep up with the customers at the local farmers' market, and missing her old life, Jen has to deal with her own insecurities about this new family.

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.

Lucy Callahan was struck by lightning. She doesn't remember it, but it changed her life forever. The zap gave her genius-level math skills, and ever since, Lucy has been homeschooled. Now, at 12 years old, she's technically ready for college. She just has to pass one more test: middle school! Lucy's grandma insists: Go to middle school for one year. Make one friend. Join one activity. And read one book (that's not a math textbook!). Lucy's not sure what a girl who does calculus homework for fun can possibly learn in seventh grade.

Ever since Ellie wore a whale swimsuit and made a big splash at her fifth-birthday party, she's been bullied about her weight. To cope, she tries to live by the Fat Girl Rules - like "no making waves", "avoid eating in public", and "don't move so fast that your body jiggles". And she's found her safe space - her swimming pool - where she feels weightless in a fat-obsessed world. In the water, she can stretch herself out like a starfish and take up all the room she wants. It's also where she can get away from her mom, who thinks criticizing Ellie's weight will motivate her to diet.

Five students meet in the school cafeteria when they're forced to complete their school community service hours. There's George: the brain. Sara: the loner. Dayara: the tough kid. Nico: the rich kid. And Miguel, the jock. They immediately know that they have nothing in common with each other... even though their school administration has decided that they all belong together.

Fourteen-year-old Mona isn't like the wizards charged with defending the city. She can't control lightning or speak to water. Her familiar is a sourdough starter, and her magic only works on bread. She has a comfortable life in her aunt's bakery making gingerbread men dance. But Mona's life is turned upside down when she finds a dead body on the bakery floor. An assassin is stalking the streets of Mona's city, preying on magic folk, and it appears that Mona is his next target. And in an embattled city suddenly bereft of wizards, the assassin may be the least of Mona's worries.

Maizy has never been to Last Chance, Minnesota . . . until now. Her mom’s plan is just to stay for a couple weeks, until her grandfather gets better. But plans change, and as Maizy spends more time in Last Chance and at the Golden Palace—the restaurant that’s been in her family for generations—she makes some discoveries. But the more Maizy discovers, the more questions she has.

Twelve-year-old June Delancey is kicking summer off with a bang. She shaves her head and sets two goals: she will beat her anxiety and be the lion she knows she can be, instead of the mouse everyone sees. And she and her single mama will own their power as fierce, independent females. With the help of Homer Juarez, the poetry-citing soccer star who believes in June even when she doesn’t believe in herself, she starts a secret library garden and hatches a plan to make her dreams come true. But when her anxiety becomes too much, everything begins to fall apart.

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?

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.

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?

Ramona was only five years old when Hurricane Katrina changed her life forever. Since then it's been Ramona and her family against the world. Standing over six feet tall, with unmistakable blue hair, Ramona is sure of three things: She likes girls, she's fiercely devoted to her family, and she knows she's destined for something bigger than the trailer she calls home in Eulogy, Mississippi. But juggling multiple jobs, her flaky mom, and her well-meaning but ineffectual dad forces her to be the adult of the family.

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.

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.

She's a tomboy. He's the boy next door. With three older brothers, Charlotte Reynolds, aka Charlie, has always been more comfortable calling the shots on a basketball court than flirting with the opposite sex. So when her police officer dad demands she get a summer job to pay for the latest in a long line of speeding tickets, she's more than a little surprised to find herself working at a chichi boutique and going out with a boy who has never seen her tear it up in a pickup game.

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?

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.

The Garretts are everything the Reeds are not: loud, numerous, messy, affectionate. And every day from her balcony perch, 17-year-old Samantha Reed wishes she was one of them...until one summer evening, Jase Garrett climbs her terrace and changes everything. As the two fall fiercely in love, Jase's family makes Samantha one of their own. Then in an instant, the bottom drops out of her world and she is suddenly faced with an impossible decision. Which perfect family will save her? Or is it time she saved herself?

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.

When Abbey’s best friend, Kristen, vanishes at the bridge near Sleepy Hollow Cemetery, everyone else is all too quick to accept that Kristen is dead, and rumors fly that her death was no accident. Abbey goes through the motions of mourning her best friend, but privately, she refuses to believe that Kristen is really gone. Then she meets Caspian, the gorgeous and mysterious boy who shows up out of nowhere at Kristen’s funeral, and who keeps reappearing in Abbey’s life. Caspian clearly has secrets of his own, but he’s the only person who makes Abbey feel normal again.

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.

Alice had her whole summer planned. Nonstop all-you-can-eat buffets while marathoning her favorite TV shows (best friends totally included) with the smallest dash of adulting - working at the library to pay her share of the rent. The only thing missing from her perfect plan? Her girlfriend (who ended things when Alice confessed she's asexual). Alice is done with dating - no thank you, do not pass go, stick a fork in her, done. But then Alice meets Takumi and she can't stop thinking about him or the rom com-grade romance feels she did not ask for.

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.