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.

You know, being friends with two cute boys does have its benefits. There's Danny. Danny is a golden boy in every way. He has dreamy blue eyes and blonde hair that always looks perfect, even when it's windblown or been stuck under a football helmet. He's the boy every girl crushes on. The boy I get into trouble with, the boy I fight with, the hot quarterback no girl can resist, not even me. Being with Danny is like being on an adventure. He has a bright, contagious smile and abs to die for. He's pretty much irresistible.

Alec is a 17-year-old who has endured more in life than anyone should have to. Seeing his neighbor and ex-best friend, Skylar, struggle after a tragic loss, Alec makes it his mission to show her that life is worth living. Little does he know that he will learn that same lesson.

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.

Sixteen-year-old Sana Kiyohara has too many secrets. Some are small, like how it bothers her when her friends don't invite her to parties. Some are big, like the fact that her father may be having an affair. And then there's the one that she can barely even admit to herself - the one about how she might have a crush on her best friend. When Sana and her family move to California, she begins to wonder if it's finally time for some honesty, especially after she meets Jamie Ramirez.

For 13 years, Ben Tomlin was an only child. But all that changes when his mother brings home Zan - an eight-day-old chimpanzee. Ben’s father, a renowned behavioral scientist, has uprooted the family to pursue his latest research project: a high-profile experiment to determine whether chimpanzees can acquire advanced language skills. Ben’s parents tell him to treat Zan like a little brother. Ben reluctantly agrees. At least now he’s not the only one his father’s going to scrutinize,

Jen Dixon is not your typical Kansas City kindergarten class mom - or mom in general. Jen already has two college-age daughters by two different (probably) musicians, and it's her second time around the class mom block with five-year-old Max - this time with a husband and father by her side. Though her best friend and PTA president sees her as the "wisest" candidate for the job (or oldest), not all of the other parents agree.

Mason Powell. Best friend. Boyfriend. Husband. Father. He's the young man you know but have never met. He's the man who chose love over friendship. He's the man who would do anything for his family and friends. He's the man who stepped up when someone wasn't there. He's the man who has a story to tell.

Leila has made it most of the way through Armstead Academy without having a crush on anyone, which is a relief. As an Iranian American, she’s different enough; if word got out that Leila liked girls, life would be twice as hard. But when beautiful new girl Saskia shows up, Leila starts to take risks she never thought she would.

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.

When Jill becomes both pregnant and single at the end of one spring semester, she and her two closest friends plunge into an experiment in tri-parenting, tri-schooling, and tri-habitating as grad students in Seattle. Naturally, everything goes wrong - but in ways no one sees coming. Janey Duncan narrates the adventure of this modern family with hilarity and wisdom and shows how three lives are forever changed by (un)cooperative parenting, literature, and a tiny baby named Atlas who upends and uplifts their entire world.

Everyone knows Alice slept with two guys at one party. When Healy High star quarterback Brandon Fitzsimmons dies in a car crash, it was because he was sexting with Alice. Ask anybody. Rumor has it Alice Franklin is a slut. It's written all over the "slut stall" in the girls' bathroom: "Alice had sex in exchange for math test answers" and "Alice got an abortion last semester." After Brandon dies, the rumors start to spiral out of control.

Justin has two goals for sophomore year: to date Chuck, the hottest boy in school, and to become the king of Cool U, the table in the cafeteria where the "in" crowd sits. Unfortunately, he has the wrong look (short, plump, Brillo-pad curls), he has the wrong interests (Broadway, chorus violin), and he has the wrong friends (Spencer, into Eastern religions, and Mary Ann, who doesn't shave her armpits). And Chuck? Well, he's not gay; he's dating Becky, a girl in chorus with whom Justin is friendly.

Making friends has never been Elise Dembowski’s strong suit. All throughout her life, she’s been the butt of every joke and the outsider in every conversation. When a final attempt at popularity fails, Elise nearly gives up. Then she stumbles upon a warehouse party where she meets Vicky, a girl in a band who accepts her; Char, a cute, yet mysterious disc jockey; Pippa, a carefree spirit from England; and most importantly, a love for DJing.