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.

When Truly is invited to sit at the Popular Table with the group she has dreamed of joining, she can hardly believe her luck. Everyone seems so nice, so kind to one another. But all is not as it seems with her new friends, and soon she's caught in a maelstrom of lies, misunderstandings, accusations and counter-accusations, all happening very publicly in the relentless, hyper-connected social media world from which there is no escape.

Gracie has never felt like this before. One day, she suddenly can't breathe, can't walk, can't anything - and the reason is standing right there in front of her, all tall and weirdly good-looking: A. J. But it turns out A. J. likes not Gracie but Gracie's beautiful best friend, Sienna. Obviously Gracie is happy for Sienna. Super happy! She helps Sienna compose the best texts, responding to A. J.'s surprisingly funny and appealing texts, just as if she were Sienna. Because Gracie is fine. Always! She's had lots of practice being the sidekick, second best.

Lucille seems to have nothing going for her. With the bills piling in, the house falling apart around her, and her sister's growing distress, it is precisely the worst possible moment for Lucille to fall recklessly in love with her best friend's twin brother, Digby, who is practically engaged.

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.

Eden was always good at being good. Starting high school didn’t change who she was. But the night her brother’s best friend rapes her, Eden’s world capsizes. What was once simple, is now complex. What Eden once loved—who she once loved—she now hates. What she thought she knew to be true, is now lies. Nothing makes sense anymore, and she knows she’s supposed to tell someone what happened but she can’t. So she buries it instead. And she buries the way she used to be.

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?

Victor hates his life. He has no friends, gets beaten up at school, and his parents are always criticizing him. Tired of feeling miserable, Victor takes a bottle of his mother’s sleeping pills - only to wake up in the hospital. Bull is angry, and takes all of his rage out on Victor. That makes him feel better, at least a little. But it doesn’t stop Bull’s grandfather from getting drunk and hitting him. So Bull tries to defend himself with a loaded gun. When Victor and Bull end up as roommates in the same psych ward, there’s no way to escape each other or their problems. Which means things are going to get worse - much worse - before they get better.

Having spent most of her senior year flying under the radar, the last thing Ella Lockhart expected was to have a tornado rip straight through her house, leaving her homeless. It's bad enough that the whole school now pities her, but did her parents have to let the neighbors take them in?

Eleven-year-old Isabella’s parents are divorced, so she has to switch lives every week: One week she’s Isabella with her dad, his girlfriend Anastasia, and her son, Darren, living in a fancy house where they are one of the only black families in the neighborhood. The next week she’s Izzy with her mom and her boyfriend, John-Mark, in a small, not-so-fancy house that she loves. Because of this, Isabella has always felt pulled between two worlds. And now that her parents are divorced, it seems their fights are even worse, and they’re always about her.

My name is Charlie, and I'm invisible. Well, not literally, but until one of the most popular guys at Eden High saved my life, nobody even knew I existed. Sean Reese gave me more than my life back that night. He gave me friendship. And maybe, just maybe, I can save him, too. Will he still be my friend when he finds out my secret?

Twelve-year-old Fern feels invisible. Her dad is forever planning how to boost business at the family restaurant. Her mom is constantly going off to meditate. Her sister, Sarah, who’s taking a year off after high school, is too busy finding ways not to work, and her brother Holden is totally focused on his new "friend". And then there’s Charlie: three years old, a "surprise" baby, and the center of everything. If it wasn’t for her friend Ran, there would be nowhere to turn. Ran is always calm, always positive.

Anna is looking forward to her senior year in Atlanta, where she has a great job, a loyal best friend, and a crush on the verge of becoming more. Which is why she is less than thrilled about being shipped off to boarding school in Paris - until she meets Etienne St. Clair: Perfect, Parisian (and English and American, which makes for a swoon-worthy accent), and utterly irresistible. The only problem is that he's taken, and Anna might be, too, if anything comes of her almost-relationship back home.

Newly divorced Dana Stellgarten has always been unfailingly nice—even to telemarketers—but now her patience is wearing thin. Money is tight, her kids are reeling from their dad’s departure, and her goth teenage niece has just landed on her doorstep. As she enters the slipstream of postdivorce romance and is befriended by the town queen bee, Dana finds that the tension between being true to yourself and being liked doesn’t end in middle school—and that sometimes it takes a real friend to help you embrace adulthood in all its flawed complexity.