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.

Sixteen-year-old and not-so-openly gay Simon Spier prefers to save his drama for the school musical. But when an email falls into the wrong hands, his secret is at risk of being thrust into the spotlight. Now Simon is actually being blackmailed: If he doesn't play wingman for class clown Martin, his sexual identity will become everyone's business. Worse, the privacy of Blue, the pen name of the boy he's been emailing with, will be compromised.

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.

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.

Vivian Carter's mom was a Riot Grrrl in the 1990s, but now she and Viv live a pretty quiet life in a small Texas town. When Viv witnesses a series of sexist incidents at her high school, she takes a page from her mom's past and makes a feminist zine that she distributes anonymously to her classmates. Viv is just blowing off steam, but before she knows it she's started a revolution.

Carmen got the jeans at a thrift shop. They didn't look all that great; they were worn, dirty, and speckled with bleach. On the night before she and her friends part for the summer, Carmen decides to toss them. But Tibby says they're great. She'd love to have them. Lena and Bridget also think they're fabulous. Lena decides they should all try them on. Whoever they fit best will get them. Nobody knows why, but the pants fit everyone perfectly.

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.

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?

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.

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.

For Penny Lee high school was a total nonevent. Her friends were okay, her grades were fine, and while she somehow managed to land a boyfriend, he doesn't actually know anything about her. When Penny heads to college in Austin, Texas, to learn how to become a writer, it's 79 miles and a zillion light-years away from everything she can't wait to leave behind.

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?

Emma Putnam is dead, and it's all Sara Wharton's fault. At least, that's what everyone seems to think. Sara, along with her best friend and three other classmates, has been criminally charged for the bullying and harassment that led to Emma's shocking suicide. Now Sara is the one who's ostracized, already guilty according to her peers, the community, and the media. During the summer before her senior year, in between meetings with lawyers and a court-recommended therapist, Sara is forced to reflect on the events that brought her to this moment - and ultimately consider her role in an undeniable tragedy.

Joanna Gordon has been out and proud for years, but when her popular radio evangelist father remarries and decides to move all three of them from Atlanta to the more conservative Rome, Georgia, he asks Jo to do the impossible: to lie low for the rest of her senior year. And Jo reluctantly agrees. Although it is (mostly) much easier for Jo to fit in as a straight girl, things get complicated when she meets Mary Carlson, the oh-so-tempting sister of her new friend at school. But Jo couldn't possibly think of breaking her promise to her dad.

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.

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?

Joanna Gordon has been out and proud for years, but when her popular radio evangelist father remarries and decides to move all three of them from Atlanta to the more conservative Rome, Georgia, he asks Jo to do the impossible: to lie low for the rest of her senior year. And Jo reluctantly agrees. Although it is (mostly) much easier for Jo to fit in as a straight girl, things get complicated when she meets Mary Carlson, the oh-so-tempting sister of her new friend at school. But Jo couldn't possibly think of breaking her promise to her dad.

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.

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.

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.

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.

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?

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.

Sixteen-year-old and not-so-openly gay Simon Spier prefers to save his drama for the school musical. But when an email falls into the wrong hands, his secret is at risk of being thrust into the spotlight. Now Simon is actually being blackmailed: If he doesn't play wingman for class clown Martin, his sexual identity will become everyone's business. Worse, the privacy of Blue, the pen name of the boy he's been emailing with, will be compromised.

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).

Falling in love wasn't the plan. But how could I resist his promises of hope? Of forgiveness? Of a future I had stopped dreaming of? We were shattered. We were scarred. We were something strange and beautiful. We were two lost souls holding on to the only thing that could keep us together. Each other.

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.

Norris is clever, cynical, and quite possibly too smart for his own good. A Black French Canadian, he knows from watching American sitcoms that those three things don’t bode well when you are moving to Texas. Plunked into a new high school, Norris finds himself cataloging everyone he meets: the Cheerleaders, the Jocks, the Loners, and even the Manic Pixie Dream Girl. Making a ton of friends has never been a priority for him, and this way he can at least amuse himself until it’s time to go back to Canada, where he belongs. Yet those labels soon become actual people to Norris....

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.

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.