Fifteen-year-old Harper McAllister thinks her summer plans are ruined when her parents receive her latest heart-stopping credit card bill and ship her off to camp at Whispering Pines. Suddenly Harper is at the bottom of a social ladder she can't climb while wearing wedge sandals and expensive clothes. Slowly but surely, she starts to find her place, though, even winning over super cute camp "lifer" Ethan. But when she ruins the camp's chance to have a pop star film a music video on campus, Harper becomes an outcast once again.

Isabelle Scott’s life may not be easy, but she loves it. She is a star swimmer and lifeguard, has great friends, and has been spending the summer with Brayden, a cute surfer—though they’re just friends. But her grandmother, with whom she’s lived since her mother died five years earlier, is declining quickly, and Izzie’s whole world is upended. She’s whisked away from the poor, rough neighborhood where she grew up to live with her aunt, uncle, and cousins in the exclusive Emerald Cove.

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.

Savannah is dreading being home alone with her overbearing mother after her big sister - and best friend - goes off to college. But if she can just get through senior year, she'll be able to escape to college, too. What she doesn't count on is that her mother's obsession with weight has only grown deeper since her appearance on an extreme weight-loss show, and now Savvy's mom is pressuring her even harder to be constantly mindful of what she eats.

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.

Homecoming court nominee Erin Armstrong has it all, the best friends, the best boyfriend, and lead in the school play. But when she catches her bestie and her boyfriend holding hands behind the porta potty, her status as Rosemark High’s it-girl takes a nosedive. Determined to win the crown and earn back her social status, Erin enlists the help of quirky theatre kid Peter Hunt. Together, the two craft a plan to ensure Erin’s victory. That is, if the two can keep their growing attraction from sabotaging the project.

Tomboy Cam Swayne is determined that football hero, Jake Phillips, keeps his eyes firmly on her. After all, she’s been his since before she was born. Cam has grown up so close to Jake that it’s as if she’s his left arm. They’ve played together on the street and at the lake since she could walk. Plus, they’ve saved each other in some pretty miraculous ways that even their parents found hard to believe. So, it’s only natural that, when hormones kick in, Cam feels like Jake belongs only to her.

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.

Jackie does not like surprises. Chaos is the enemy! The best way to get her successful, busy parents to notice her is to be perfect. The perfect look, the perfect grades—the perfect daughter. And then Jackie's family dies in a freak car accident and she has to move cross-country to live with the Walters—her new guardians. Now Jackie must trade in her Type A personality and New York City apartment for a Colorado ranch and all the wild Walter boys who come with it. How can she fit in and move on when she needs to keep her parents' memory alive by living up to the promise of perfect?

Unlike the thousands converging at Moon Shadow to witness a total solar eclipse, Ally calls the isolated campground home. Bree shields herself in a cloak of good looks and popularity, but there is something within her no one suspects. And Jack, overweight and socially inept, finds himself on the verge of a startling possibility.

The first day of middle school means trading in freeze tag at the pool for new schedules, fabulous outfits, and a fresh start. But for 11-year-old Kaylan, the chaos of new locker combinations, cafeteria cliques, and potential first kisses is more than she can handle. She dreads the start of sixth grade and feels like she wants - no, needs - a winning game plan. Luckily, Kaylan and her effortlessly chill BFF, Arianna, have a fool-proof plan for tackling transitions: a list of 11 things they need to do to totally transform themselves before they both turn 12 in November. 

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.

Golden boy Ezra Faulkner believes everyone has a tragedy waiting for them a single encounter after which everything that really matters will happen. His particular tragedy waited until he was primed to lose it all: In one spectacular night, a reckless driver shatters Ezra's knee, his athletic career, and his social life. No longer a front-runner for Homecoming King, Ezra finds himself at the table of misfits, where he encounters new girl Cassidy Thorpe.

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.

What if your town was sliding underwater, and everyone was ordered to pack up and leave? How would you and your friends spend your last days together? While the adults plan for the future, box up their possessions, and find new places to live, Keeley Hewitt and her friends decide to go out with a bang.