Ever fall in love with your best friend? It turns your world upside down. Just ask Mila and Laura, two teens who realize they want to be more than just friends. But even if they surrender to love, can they ever find the courage to tell the world?

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.

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.

Carley uses humor and street smarts to keep her emotional walls high and thick. But the day she becomes a foster child and moves in with the Murphys, she's blindsided. This loving, bustling family shows Carley the stable family life she never thought existed, and she feels like an alien in their cookie-cutter-perfect household.

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?

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.

Getting drunk homecoming night your senior year is never a good idea, but Jake Hayes never expected it all to end with a car crash and a t-post embedded in his throat. His biggest regret about it all? What he never said to Samantha Shay. He's been in love with her for years and never had the guts to tell her. Now it's too late. Because after that night, Jake will never be able to talk again.

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.

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.

Kyle Blake likes plans. So far, they're pretty simple: Finish her senior year of high school, head off to a good college, find a cute boyfriend, graduate, get a good job, get married, the whole heterosexual shebang. Nothing is going to stand in the way of that plan. Not even Stella Lewis. Stella Lewis also has a plan: Finish her senior year as cheer captain, go to college, finally let herself flirt with (and maybe even date) a girl for the first time and go from there. Fate has other plans for Kyle and Stella when they're paired up in their AP English class.

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.

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.

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.

Maybelline Chen isn’t the Chinese Taiwanese American daughter her mother expects her to be. May prefers hoodies over dresses and wants to become a writer. When asked, her mom can’t come up with one specific reason for why she's proud of her only daughter. May’s beloved brother, Danny, on the other hand, has just been admitted to Princeton. But Danny secretly struggles with depression, and when he dies by suicide, May's world is shattered.

Ethan was abducted from his front yard when he was just seven years old. Now, at 16, he has returned to his family. It’s a miracle… at first. Then the tensions start to build. His reintroduction to his old life isn’t going smoothly, and his family is tearing apart all over again. If only Ethan could remember something, anything, about his life before, he’d be able to put the pieces back together....