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.

Maddie Townsend might live in a town called Serenity, but there's been nothing calm or peaceful about her life since her marriage broke up. This stay-at-home mom has no job skills, an out-of-control 16-year-old son, a talkative 14-year-old who's suddenly gone silent, a six-year-old daughter whose heart is broken, an ex-husband whose younger girlfriend is expecting their baby, and two best friends who think she's somehow qualified to help them open a fitness spa for women.

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.

Seventeen-year-old Lenni Pettersson lives on the Terminal Ward at the Glasgow Princess Royal Hospital. Though the teenager has been told she’s dying, she still has plenty of living to do. Joining the hospital’s arts and crafts class, she meets the magnificent Margot, an 83-year-old, purple-pajama-wearing, fruitcake-eating rebel, who transforms Lenni in ways she never imagined. As their friendship blooms, a world of stories opens for these unlikely companions who, between them, have been alive for one hundred years.

On a snowy evening in March, 30-something Noelle Butterby is on her way back from an event at her old college when disaster strikes. With a blizzard closing off roads, she finds herself stranded, alone in her car, without food, drink, or a working charger for her phone. All seems lost until Sam Attwood, a handsome American stranger also trapped in a nearby car, knocks on her window and offers assistance. What follows is eight perfect hours together, until morning arrives and the roads finally clear.

Just hours after humans are born, the gods take what little power we have. In return, they protect our borders from the vicious, merciless fae. The humans who manage to keep their power are known as the corrupt. And they are burned. When my forbidden power is discovered, I’m forced to flee my tiny village and the life I adore. To survive, I make a desperate bargain with the mercenary who abandoned me at my weakest moment. Our deal is simple: I’ll help him and his mysterious friends sneak into the city, and he’ll help me learn to wield the strange, dark power I’ve always kept hidden.

It’s July 1946, and after a decade of Depression and war, life in America is returning to normal. But for Charlotte and Mary Oswald, one tumultuous summer will unearth all their secrets and upend their world, once again. Charlotte Oswald’s life is dictated by rules. Where she can go. Whom she can speak to. How she can spend her long, dull summer days. It’s a small, closeted existence, but necessary to protect Charlotte, who has suffered from debilitating fits since childhood.

For 15 years, Lexi and Jake have played the same six numbers with their friends. Over drinks, dinner parties and summer barbecues, the three couples have discussed the important stuff — kids, marriages, careers — and they’ve laughed off their disappointment when they failed to win anything.

Just weeks away from ditching DC for greener pastures, Solange Pereira is roped into helping her wedding planner cousin on a random couple’s big day. It’s an easy gig... until Solange stumbles upon a situation that convinces her the pair isn’t meant to be. What’s a true-blue romantic to do? Crash the wedding, of course. And ensure the unsuspecting groom doesn’t make the biggest mistake of his life.

Nineteen-year-old Signa Farrow, orphaned as a baby, has been raised by a string of guardians, each more interested in her wealth than her well-being—and each has met an untimely end. Her last remaining relatives are the Hawthornes, an eccentric family living at the glittering and gloomy estate of Thorn Grove. Thorn Grove’s patriarch, Elijah, mourns his late wife, Lillian, through wild parties and drink, while eldest son Percy grapples for control of the family’s waning reputation and daughter Blythe suffers from the same mysterious illness that killed her mother.