Jessica Darling is devastated when her best friend moves away from Pineville, New Jersey. With Hope gone, Jessica has no one she can really talk to. She doesn’t relate to the boy-and-shopping-obsessed girls at school, or her dad’s obsession with track meets, and her mom is too busy planning big sister Bethany’s lavish wedding. Jessica is lost more than ever, and her nonexistent love life is only making things worse.

Dannie Kohan lives her life by the numbers. She is nothing like her lifelong best friend - the wild, whimsical, believes-in-fate Bella. Her meticulous planning seems to have paid off after she nails the most important job interview of her career and accepts her boyfriend’s marriage proposal in one fell swoop, falling asleep completely content. But when she awakens, she’s suddenly in a different apartment, with a different ring on her finger, and beside a very different man.

Harriet and Wyn have been the perfect couple since they met in college—they go together like salt and pepper, honey and tea, lobster and rolls. Except, now—for reasons they’re still not discussing—they don’t. They broke up five months ago. And still haven’t told their best friends.

When Katy’s mother dies, she is left reeling. Carol wasn’t just Katy’s mom, but her best friend and first phone call. She had all the answers and now, when Katy needs her the most, she is gone. To make matters worse, their planned mother-daughter trip of a lifetime looms: to Positano, the magical town where Carol spent the summer right before she met Katy’s father. Katy has been waiting years for Carol to take her, and now she is faced with embarking on the adventure alone.

Divorced. Broke. Living with a pack of elderly roommates. And those hallucinations she’s diligently ignoring? Her tarot card-dealing mom is convinced they’re clairvoyant visions. Just when things can’t get worse, a so-hot-it-should-be-illegal private investigator shows up on her doorstep looking for a neighbor...who turns up murdered.

Augustus Everett is an acclaimed author of literary fiction. January Andrews writes best-selling romance. When she pens a happily ever after, he kills off his entire cast. They’re polar opposites. In fact, the only thing they have in common is that for the next three months, they're living in neighboring beach houses, broke, and bogged down with writer's block.

Poppy and Alex. Alex and Poppy. They have nothing in common. She’s a wild child; he wears khakis. She has insatiable wanderlust; he prefers to stay home with a book. And somehow, ever since a fateful car share home from college many years ago, they are the very best of friends. For most of the year they live far apart—she’s in New York City, and he’s in their small hometown—but every summer, for a decade, they have taken one glorious week of vacation together.

Avery Grambs has a plan for a better future: Survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why - or even who Tobias Hawthorne is. To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where every room bears the old man's touch - and his love of puzzles, riddles, and codes.

Felicity “Fizzy” Chen is lost. Sure, she’s got an incredible career as a beloved romance novelist with a slew of bestsellers under her belt, but when she’s asked to give a commencement address, it hits her: she hasn’t been practicing what she’s preached. Fizzy hasn’t ever really been in love. Connor Prince, documentary filmmaker and single father, loves his work but when his profit-minded boss orders him to create a reality TV show, Connor is out of his element. Desperate to find his romantic lead, a chance run-in with an exasperated Fizzy offers Connor the perfect solution.

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.

Sadie Montgomery never saw what was coming . . . Literally! One minute she’s celebrating the biggest achievement of her life—placing as a finalist in the North American Portrait Society competition—the next she’s lying in a hospital bed diagnosed with a “probably temporary” condition known as face blindness. She can see, but every face she looks at is now a jumbled puzzle of disconnected features. Imagine trying to read a book upside down and in another language. This is Sadie’s new reality.

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.

Hi, my name is Bree Camden, and I’m hopelessly in love with my best friend and star quarterback Nathan Donelson (so is half of America, judging by the tabloids and how much the guy dates). The first step is admitting it, right? Except, I can never admit it to him because he clearly doesn’t see me that way, and the last thing I want is for things to get weird between us. Nothing but good old-fashioned no-touching-the-sexiest-man-alive platonic friendship for us! Everything is exactly how I like it! Yes. Good. (I’m not crying; I’m just peeling an onion.)

When she’s modeling, Annabel Greene is the picture of perfection - the girl who has everything. But her real life is far from perfect. Her best friend, Sophie, and she are no longer speaking; her older sister’s eating disorder is affecting everything at home. Then she meets Owen. He’s intense, music-obsessed, and dedicated to always telling the truth. And most of all, he’s determined to make Annabel happy....

Isabella Shay is usually a very honest person. But when she's running late for her first day at a dream job and the barista yells for "Amy" three times with no answer, she does the unthinkable. Izzy takes that PSL. But when she turns around and runs directly into the most attractive man she's ever seen, spilling the drink all over his GQ shirt and tie, she ends up having the ultimate meet-cute. Sparks fly and things feel beyond promising until he says the words, "See you tomorrow, Amy." Uh, oh-she'll definitely have to straighten him out the following day.