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.

I’ve been listening to my father sing for my whole life. I carry him in my pocket on my MP3 player. It’s just that we’ve never met face to face. My mother would never tell me how I came to be, or why my rock star father and I have never met. I thought it was her only secret. I was wrong. When she dies, he finally appears. Suddenly I have a first-class ticket into my father’s exclusive world. A world I don’t want any part of - not at this cost. Only three things keep me going: my a cappella singing group, a swoony blue-eyed boy named Jake, and the burning questions in my soul.

Theodore Finch is fascinated by death, and he constantly thinks of ways he might die. But each time, something good, no matter how small, stops him. Violet Markey lives for the future, counting the days until graduation, when she can escape her Indiana town and her aching grief in the wake of her sister's recent death. When Finch and Violet meet on the ledge of the bell tower at school, it's unclear who saves whom.

Following the unexpected death of her father, eighteen-year-old Layken becomes the rock for both her mother and younger brother. She appears resilient and tenacious, but inside, she's losing hope. Then she meets her new neighbor Will, a handsome twenty-one-year-old whose mere presence leaves her flustered and whose passion for poetry slams thrills her. Not long after a heart-stopping first date during which each recognizes something profound and familiar in the other, they are slammed to the core when a shocking discovery brings their new relationship to a sudden halt.

Autumn and Finn used to be inseparable. But then something changed. Or they changed. Now, they do their best to ignore each other. Autumn has her boyfriend, Jamie, and her close-knit group of friends. And Finn has become that boy at school, the one everyone wants to be around. That still doesn't stop the way Autumn feels every time she and Finn cross paths, and the growing, nagging thought that maybe things could have been different. Maybe they should be together. But come August, things will change forever.

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.

Fifteen-year-old Rae Maddox’s mom, Gina, is a big fan of fresh starts. Gina thinks of them as an adventure, but for Rae, each move is just one more friend lost, one more chance to feel like an outsider. After arriving in Wisconsin, Gina promises to stay put until Rae graduates. Cautiously optimistic, she wades into the social whirl at Whitman High School, making a few friends and even earning a chance at love. But when the vice principal pairs her with fellow newbie Allison Daly, Rae’s tentative happiness is jeopardized.

At the age of 29, Hannah Martin still has no idea what she wants to do with her life. She has lived in six different cities and held countless meaningless jobs since graduating college. On the heels of leaving yet another city, Hannah moves back to her hometown of Los Angeles and takes up residence in her best friend Gabby’s guestroom. Shortly after getting back to town, Hannah goes out to a bar one night with Gabby and meets up with her high school boyfriend, Ethan. Just after midnight, Gabby asks Hannah if she’s ready to go. A moment later, Ethan offers to give her a ride.

It started with a bus crash. Daisy was a little girl when it happened, and she barely remembers the accident or being brought back to life. At that moment, though, she became one of the first subjects in a covert government program that tests a drug called Revive. Now fifteen, Daisy has died and been Revived five times. Each death means a new name, a new city, and a new identity. The only constant in Daisy’s life is change. Then she meets Matt and Audrey, charismatic siblings who quickly become her first real friends....

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.

When Suzette comes home to Los Angeles from her boarding school in New England, she isn't sure if she'll ever want to go back. LA is where her friends and family are (along with her crush, Emil). And her stepbrother, Lionel, who has been diagnosed with bipolar disorder, needs her emotional support. But as she settles into her old life, Suzette finds herself falling for someone new...the same girl her brother is in love with.

Seventeen-year-old Evan Panos doesn't know where he fits in. His strict immigrant Greek mother refuses to see him as anything but a disappointment. His quiet, workaholic father is a staunch believer in avoiding any kind of conflict. And his best friend, Henry, has somehow become distractingly attractive over the summer.

Judy Lohden is your above-average 16-year-old: sarcastic and vulnerable, talented and uncertain, full of big dreams for a big future. With a singing voice that can shake an auditorium, she should be the star of Darcy Arts Academy, the local performing-arts high school. So why is a girl this promising hiding out in a seedy motel room on the edge of town?

He was tall, at least six feet, with dirty blond hair that hung over his eyes. His T-shirt read Nietzsche Is My Homeboy. So, that was Matt. Who Julie Seagles likes. A lot. But there is also Finn. Who she flat out loves. Complicated? Awkward? Completely. But really, how was this freshly-minted Boston transplant and newbie college freshman supposed to know that she would end up living with the family of an old friend of her mother’s? This was all supposed to be temporary.

Peyton, Sydney's charismatic older brother, has always been the star of the family, receiving the lion's share of their parents' attention and - lately - concern. When Peyton's increasingly reckless behavior culminates in an accident, a drunk driving conviction, and a jail sentence, Sydney is cast adrift, searching for her place in the family and the world. ?