Karina Ahmed has a plan. Keep her head down, get through high school without a fuss, and follow her parents’ rules - even if it means sacrificing her dreams. When her parents go abroad to Bangladesh for four weeks, Karina expects some peace and quiet. Instead, one simple lie unravels everything. Karina is my girlfriend. Tutoring the school’s resident bad boy was already crossing a line. Pretending to date him? Out of the question. But Ace Clyde does everything right. Though Karina agrees, she can’t help but start counting down the days until her parents come back.

After living through a dumpster fire of a Valentine’s Day, Emilie Hornby escapes to her grandmother’s house for some comfort and a consolation pint of Ben & Jerry’s. She passes out on the couch, but when she wakes up, she’s back home in her own bed—and it’s Valentine’s Day all over again. And the next day? Another horrendous V-Day. Emilie is stuck in some sort of time loop nightmare that she can’t wake up from as she re-watches her boyfriend, Josh, cheat on her day after day.

Bad luck has always followed Olivia Marshall...or maybe she's just the screw-up her family thinks she is. But when a "What are you wearing?" text from a random wrong number turns into the hottest, most entertaining - albeit anonymous - relationship of her life, she thinks things might be on the upswing.

Like an avenging, purple-haired Jedi bringing balance to the mansplained universe, Bee Königswasser lives by a simple code: What would Marie Curie do? If NASA offered her the lead on a neuroengineering project—a literal dream come true after years scraping by on the crumbs of academia—Marie would accept without hesitation. Duh. But the mother of modern physics never had to co-lead with Levi Ward.

Sixteen-year-old Finley Price has perfected two things: how to direct a world-class production and how to fly way, way under the radar. The only person who ever seems to notice Finley is her best friend and godparents' son, Oliver Bertram. Since Finley moved in with her godparents after the death of her father, she and Oliver have grown close. If Finley could just take Oliver's constant encouragement to heart and step out of the shadows, she'd finally chase her dream of joining the prestigious Mansfield Theater.

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.

Hallie Piper is turning over a new leaf. After belly-crawling out of a hotel room (hello, rock bottom), she decides it’s time to become a full-on adult. She gets a new apartment, a new haircut, and a new wardrobe, but when she logs onto the dating app that she has determined will find her new love, she sees none other than Jack, the guy whose room she snuck out of.

Mara, Sadie, and Hannah are friends first, scientists always. Though their fields of study might take them to different corners of the world, they can all agree on this universal truth: When it comes to love and science, opposites attract and rivals make you burn….

Chloe Green is so close to winning. After her moms moved her from SoCal to Alabama for high school, she’s spent the past four years dodging gossipy classmates and a puritanical administration at Willowgrove Christian Academy. The thing that’s kept her going: winning valedictorian. Her only rival: prom queen Shara Wheeler, the principal’s perfect progeny. But a month before graduation, Shara kisses Chloe and vanishes. On a furious hunt for answers, Chloe discovers she’s not the only one Shara kissed.

Hannah Brooks looks more like a kindergarten teacher than somebody who could kill you with a wine bottle opener. Or a ballpoint pen. Or a dinner napkin. But the truth is, she’s an Executive Protection Agent (aka "bodyguard"), and she just got hired to protect superstar actor Jack Stapleton from his middle-aged, corgi-breeding stalker.

Nora Stephens' life is books—she’s read them all—and she is not that type of heroine. Not the plucky one, not the laidback dream girl, and especially not the sweetheart. In fact, the only people Nora is a heroine for are her clients, for whom she lands enormous deals as a cutthroat literary agent, and her beloved little sister Libby. Which is why she agrees to go to Sunshine Falls, North Carolina, for the month of August when Libby begs her for a sisters’ trip away.

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.

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.

Delilah Green swore she would never go back to Bright Falls—nothing is there for her but memories of a lonely childhood where she was little more than a burden to her cold and distant stepfamily. Her life is in New York, with her photography career finally gaining steam and her bed never empty. Sure, it’s a different woman every night, but that’s just fine with her.

Princess Beatrice realizes what’s expected of her as heir apparent—and it is not riding in cars, alone, with her Revere Guard. But what the Crown doesn’t know won’t hurt it…right? Princess Samantha is already bored of her own graduation party. She swears she isn’t looking for trouble, but when the king and queen are away, the spare will play. Nina never dreamed of acting on her feelings for Prince Jefferson. Tonight, though, anything seems possible: even a prince and a commoner.

Sixteen-year-old Finley Price has perfected two things: how to direct a world-class production and how to fly way, way under the radar. The only person who ever seems to notice Finley is her best friend and godparents' son, Oliver Bertram. Since Finley moved in with her godparents after the death of her father, she and Oliver have grown close. If Finley could just take Oliver's constant encouragement to heart and step out of the shadows, she'd finally chase her dream of joining the prestigious Mansfield Theater.

Eden Monro came to California for a summer of sun, sand and celebrities - what better way to forget about the drama back home? Until she meets her new family of strangers: a dad she hasn't seen in three years, a step-monster and three stepbrothers. Eden gets her own room in her dad's fancy house in Santa Monica. A room right next door to her oldest stepbrother, Tyler Bruce. Whom she cannot stand. He's got angry green eyes and ego bigger than a Beverly Hills mansion. She's never felt such intense dislike for someone.

Ophelia Rojas knows what she likes: her best friends, Cuban food, rose-gardening, and boys - way too many boys. Her friends and parents make fun of her endless stream of crushes, but Ophelia is a romantic at heart. She couldn’t change, even if she wanted to.

India Maxwell hasn't just moved across the country - she's plummeted to the bottom rung of the social ladder. It's taken years to cover the mess of her home life with a veneer of popularity. Now she's living in one of Boston's wealthiest neighborhoods with her mom's fiancé and his daughter, Eloise. Thanks to her soon-to-be stepsister's clique of friends, including Eloise's gorgeous, arrogant boyfriend, Finn, India feels like the one thing she hoped never to be seen as again: trash.

Ryn has one unread text message on her phone. And it's been there for almost a year. She hasn't tried to read it. She can't. She won't. Because that one message is the last thing her best friend ever said to her before she died. But as Ryn finds herself trapped in the Denver International Airport on New Year's Eve thanks to a never-ending blizzard on the one-year anniversary of her best friend's death, fate literally runs into her. And his name is Xander.

Violet Ambrose is grappling with two major issues: Jay Heaton and her morbid secret ability. While the 16-year-old is confused by her new feelings for her best friend since childhood, she is more disturbed by her "power" to sense dead bodies or at least those that have been murdered. Since she was a little girl, she has felt the echoes the dead leave behind in the world . . . and the imprints that attach to their killers.

Charlie likes to stand out. She's a vlogger and actress promoting her first movie at SupaCon, and this is her chance to show fans she's over her public breakup with co-star Reese Ryan. When Internet-famous cool-girl actress Alyssa Huntington arrives as a surprise guest, it seems Charlie's long-time crush on her isn't as one-sided as she thought. Taylor likes to blend in. Her brain is wired differently, making her fear change. And there's one thing in her life she knows will never change: her friendship with her best guy friend Jamie - no matter how much she may secretly want it to.

I crawled into Ryan Jensen’s bed that first night by accident. I barely knew him. I thought it was his sister’s bed - her room. It took seconds to realize my error, and I should've left... I didn’t. I didn’t jump out. I didn’t get embarrassed. I relaxed. And that night, in that moment, it was the only thing I craved. I asked to stay. He let me, and I slept. The truth? I never wanted to leave his bed. If I could've stayed forever, I would have. He became my sanctuary. Because - four hours earlier - my twin sister killed herself.

Most teens dream of visiting the City of Lights, but it feels more like a nightmare for Sophie Brooks. She and her brother are sent to Paris to spend the summer with their father, who left home a year ago without any explanation. As if his sudden abandonment weren't betrayal enough, he's about to remarry, and they're expected to play nice with his soon-to-be wife and stepdaughter. The stepdaughter, Camille, agrees to show them around the city, but she makes it clear that she will do everything in her power to make Sophie miserable.

Virginity. Bliss Edwards is about to graduate from college and still has hers. Sick of being the only virgin among her friends, she decides the best way to deal with the problem is to lose it as quickly and simply as possible - a one-night stand. But her plan turns out to be anything but simple when she freaks out and leaves a gorgeous guy alone and naked in her bed with an excuse that no one with half a brain would ever believe. And as if that weren't embarrassing enough, when she arrives for her first class of her last college semester, she recognizes her new theater professor....

He was my older brother's best friend. He was never supposed to be mine. I thought we would get it out of our systems and move on. One of us did. One of us left. Now he's back, looking at me like he wants to devour me. And all those feelings I'd turned into anger are brewing into something else, something that terrifies me. He broke my heart last time. This time he'll obliterate it.

Samantha is a stranger in her own life. Until the night she disappeared with her best friend Cassie, everyone said Sam had it all - popularity, wealth, and a dream boyfriend. Sam has resurfaced, but she has no recollection of who she is or what happened to her that night. As she tries to piece together her life from before, Sam realizes that it's one she no longer wants any part of. The old Sam took "mean girl" to a whole new level, and it's clear that she and Cassie were more like best enemies.

After breaking up with her bad-news boyfriend, Reagan O’Neill is ready to leave her rebellious ways behind...and her best friend, country superstar Lilah Montgomery, is nursing a broken heart of her own. Fortunately, Lilah’s 24-city tour is about to kick off, offering a perfect opportunity for a girls-only summer of break-up ballads and healing hearts. But when Matt Finch joins the tour as its opening act, his boy-next-door charm proves difficult for Reagan to resist, despite her vow to live a drama-free existence.

I was never supposed to see him again. One night of passion with a complete stranger. My last tryst before senior year. >But I was lost the moment his tempting lips were on my skin. His intense touch on my body. It should have ended there. But he's not a stranger. He's my history teacher.

Nathan always had the most beautiful smile. Every time I caught a glimpse of it, I had to smile too. It didn’t matter that he grew up on the wrong side of the city, I saw the good in him…even when he didn’t.

That wasn’t enough to keep us together in high school though. One night ruined everything. A night I’ll never forget.

Years have passed and now he’s on the cover of magazines and the star of movies. The reformed bad boy with with a charming smile that makes women weak in the knees.