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 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.

Marnie MacGraw wants an ordinary life - a husband, kids, and a minivan in the suburbs. Now that she’s marrying the man of her dreams, she’s sure this is the life she’ll get. Then Marnie meets Blix Holliday, her fiancé’s irascible matchmaking great-aunt who’s dying, and everything changes - just as Blix told her it would. When her marriage ends after two miserable weeks, Marnie is understandably shocked.

After grad school, Shay Dixon feels like she's had enough for awhile. Inspired by her spiritual adviser - a soul-soothing blues player named Nina Simon - Shay calls her estranged mother Nona for the first time in years, and shocks herself by asking if it would be okay to come home for a while.

The first time she saw him, she flipped. The first time he saw her, he ran. That was the second grade, but not much has changed by the seventh. Juli says, "My Bryce. Still walking around with my first kiss." He says, "It's been six years of strategic avoidance and social discomfort." But in the eighth grade, everything gets turned upside down: Just as Bryce is thinking that there's maybe more to Juli than meets the eye, she's thinking that he's not quite all he seemed.

Last week I cut my hair, bought some boys' clothes and shoes, wrapped a large ACE bandage around my chest to flatten my fortunately-not-large breasts, and began looking for a new name. Angela Katz-McNair has never felt quite right as a girl. Her whole life is leading up to the day she decides to become Grady, a guy. While coming out as transgendered feels right to Grady, he isn't prepared for the reaction he gets from everyone else.

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.

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.

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.

Gracie has never felt like this before. One day, she suddenly can't breathe, can't walk, can't anything - and the reason is standing right there in front of her, all tall and weirdly good-looking: A. J. But it turns out A. J. likes not Gracie but Gracie's beautiful best friend, Sienna. Obviously Gracie is happy for Sienna. Super happy! She helps Sienna compose the best texts, responding to A. J.'s surprisingly funny and appealing texts, just as if she were Sienna. Because Gracie is fine. Always! She's had lots of practice being the sidekick, second best.

Bridge is an accident survivor who's wondering why she's still alive. Emily has new curves and an almost-boyfriend who wants a certain kind of picture. Tabitha sees through everybody's games - or so she tells the world. The three girls are best friends with one rule: no fighting. Can it get them through seventh grade?

When Truly is invited to sit at the Popular Table with the group she has dreamed of joining, she can hardly believe her luck. Everyone seems so nice, so kind to one another. But all is not as it seems with her new friends, and soon she's caught in a maelstrom of lies, misunderstandings, accusations and counter-accusations, all happening very publicly in the relentless, hyper-connected social media world from which there is no escape.

The book club is about to get a makeover. Even if Megan would rather be at the mall, Cassidy is late for hockey practice, Emma's already read every book in existence, and Jess is missing her mother too much to care, the new book club is scheduled to meet every month. But what begins as a mom-imposed ritual of reading Little Women soon helps four unlikely friends navigate the drama of middle school.

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.

Last week I cut my hair, bought some boys' clothes and shoes, wrapped a large ACE bandage around my chest to flatten my fortunately-not-large breasts, and began looking for a new name. Angela Katz-McNair has never felt quite right as a girl. Her whole life is leading up to the day she decides to become Grady, a guy. While coming out as transgendered feels right to Grady, he isn't prepared for the reaction he gets from everyone else.

After grad school, Shay Dixon feels like she's had enough for awhile. Inspired by her spiritual adviser - a soul-soothing blues player named Nina Simon - Shay calls her estranged mother Nona for the first time in years, and shocks herself by asking if it would be okay to come home for a while.

You're going to fall in love with My True Love Gave to Me: Twelve Holiday Stories by twelve bestselling young adult writers, edited by the international bestselling Stephanie Perkins. Whether you celebrate Christmas or Hanukkah, Winter Solstice or Kwanzaa, there's something here for everyone. So curl up by the fireplace and get cozy. You have twelve reasons this season to stay indoors and fall in love.

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.

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.

Filled with wit and heart, Get Lucky by Katherine Center explores the deep bonds of sisterhood. Sarah Harper’s whole world revolved around her job at a New York advertising agency before an email snafu got her fired. Now she’s seeking refuge at her sister Mackie’s home in Houston. But Mackie, who’s unable to get pregnant, is also down-and-out these days. So Sarah decides to do something good and becomes a surrogate mother.

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.

Celine's life is the stuff fairy tales are made of. She's beautiful, talented, and brave. Unfortunately, her tale comes complete with a wicked stepmother! When Violet steps into Celine's life, everything changes, and weird things begin to happen to her - bizarre accidents, strange illnesses, and rabid animal attacks. Celine doesn't feel safe anywhere. It's almost as if some hateful witch is out to get her.

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.

As 14-year-old Christy leaves her family's Wisconsin farm to spend the summer at her wealthy aunt and uncle's home in Newport Beach, she hopes this will be the best summer of her life. When she meets surfer Todd with his screaming silver blue eyes, she's certain it will be. But when the summer doesn't unfold as Christy had hoped, she wonders if she'll keep her promise to her parents not to do anything she'll regret. Will she do anything to get Todd's attention, to be accepted, to force her summer to give her everything it promised?

Sam Jones and Zoe Miller have one thing in common: they both want an escape from reality. Loner Sam flies under the radar at school and walks on eggshells at home to manage her mom’s obsessive-compulsive disorder, wondering how she can ever leave to pursue her dream of studying aerospace engineering. Popular, people-pleasing Zoe puts up walls so no one can see her true self: the girl who was abandoned as an infant, whose adoptive mother has cancer, and whose disabled brother is being sent away to live in a facility.

What if the one person you can't bear to be with is also the one person you can't bear to be without? Jamie McClintock is a free-spirited artist and single mother who has at last found peace and freedom sharing a farmhouse with an elderly man and his young grandson. But when the old man dies suddenly her idyllic country life comes to a halt as the old man's estranged son, Nate, returns to claim the house and his child.

Award-winning poet Marisa de los Santos crafts an irresistibly touching debut novel. Love Walked In is a contemporary tale, steeped in nostalgic, cinematic charm, of love in all its forms. Unapologetically idealistic about love, Cornelia Brown appears to catch the break of a lifetime when the dashing Martin Grace, her own personal Cary Grant, comes strolling into her life. But it is Martin's connection to 11-year-old Clare Hobbes that touches Cornelia's heart in ways she never imagined.

In the winter of 1953, Boy Novak arrives by chance in a small town in Massachusetts, looking, she believes, for beauty - the opposite of the life she' s left behind in New York. She marries a local widower and becomes stepmother to his winsome daughter, Snow Whitman. A wicked stepmother is a creature Boy never imagined she' d become, but elements of the familiar tale of aesthetic obsession begin to play themselves out when the birth of Boy' s daughter, Bird, who is dark-skinned, exposes the Whitmans as light-skinned African Americans passing for white.

Graciela "Ace" Jones is mad-mad at her best friend Lilly who cancels their annual trip to Panama City for mysterious reasons; at her boss Catherine for "riding her ass like a fat lady on a Rascal scooter;" at her friend Chloe's abusive husband; and especially at Mason McKenzie, the love of her life, who has shown up with a marriage proposal three years too late.