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….

Viola Bowen has the chance of a lifetime: to design a video game based on her all-time favorite book series. The only problem? Her co-lead is Jesse F-ing Andrews, a.k.a. her arch-nemesis. Jesse has made it abundantly clear over the years that he wants nothing to do with her–and Viola has no idea why. When their bosses insist a wintery retreat is the perfect team-building exercise, Viola can’t think of anything worse. Being freezing cold in a remote mountain lodge knowing Jesse is right next door? No, thank you.

As a third-year PhD candidate, Olive Smith doesn't believe in lasting romantic relationships—but her best friend does, and that's what got her into this situation. Convincing Anh that Olive is dating and well on her way to a happily ever after was always going to take more than hand-wavy Jedi mind tricks: Scientists require proof. So, like any self-respecting biologist, Olive panics and kisses the first man she sees.

All newly minted pediatrician Jamie Malek wants is to borrow a roasting pan for Christmas dinner. Unfortunately, that requires her to interact with Marc—her best friend’s troublemaking brother, who’s now a tech billionaire. He’s the one who got away. She’s the one who broke his heart. Outside, a howling blizzard. Inside, a crackling fire. Suddenly, being snowbound with the man she never expected to see again might not be such a bad way to spend a winter’s night.

Curl up by the fire with some of today’s hottest authors as they serve up enough holiday sweetness and sizzling spice to melt the frostiest heart. As the temperature drops, friends and neighbors might need to turn up the heat, and even old enemies just might get a second chance. Get ready to tingle all the way ...

Mallory Greenleaf is done with chess. Every move counts nowadays; after the sport led to the destruction of her family four years earlier, Mallory’s focus is on her mom, her sisters, and the dead-end job that keeps the lights on. That is, until she begrudgingly agrees to play in one last charity tournament and inadvertently wipes the board with notorious “Kingkiller” Nolan Sawyer: current world champion and reigning Bad Boy of chess.

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.

Catalina Martín desperately needs a date to her sister’s wedding. Especially since her little white lie about her American boyfriend has spiraled out of control. Now everyone she knows—including her ex and his fiancée—will be there and eager to meet him. She only has four weeks to find someone willing to cross the Atlantic and aid in her deception. New York to Spain is no short flight and her raucous family won’t be easy to fool. Enter Aaron Blackford—her tall, handsome, condescending colleague—who surprisingly offers to step in.

Lucy Marshall has hit rock bottom. After failing to succeed as a single mom in Atlanta, she’s back home and moving in with her older brother, Drew. Reconnecting with her support system is the right thing to do, but Lucy can’t help but feel like a failure. Her four-year-old son deserves the world, and all she can give him is a spare bedroom. But Drew is the sweetest uncle, and some quality time might be exactly what they both need to start fresh. That is until she meets Cooper, her brother’s incredibly hot best friend.

Rue Siebert might not have it all, but she has enough: a few friends she can always count on, the financial stability she yearned for as a kid, and a successful career as a biotech engineer at Kline, one of the most promising start-ups in the field of food science. Her world is stable, pleasant, and hard-fought. Until a hostile takeover and its offensively attractive front man threatens to bring it all crumbling down.

A pasture of dead trees, a hostile takeover of the Santa barn by a family of raccoons, and shipments that have mysteriously gone missing—Lovelight Farms is not the magical winter wonderland of Stella Bloom’s dreams. In an effort to save the Christmas tree farm she’s loved since she was a kid, she enters a contest with instafamous influencer Evelyn St. James. With the added publicity and the $100,000 cash prize, she might just be able to save the farm from its financial woes. There’s just one problem.

Gemma Summers is unlucky in love. She's known it since third grade, when her first crush blew a spitball into her hair, and a decade-long string of bad dates, boring sex, and abysmal morning afters has done nothing to improve her prospects. But when a random radio call-in contest lands her courtside tickets to the hottest playoff game of the season, Gemma's luck may finally be on the upswing, even if it doesn't exactly seem like it when the dreaded Jumbotron kiss cam lands on her and her date.

Sage Byrd has lived in the coastal town of Spunes, Oregon (not to be confused with Forks, Washington) her entire life. She's learned to love her small world, with the misfit animals on her hobby farm, and her friendships with the town’s inhabitants. But when her 5-year relationship ends and her ex, town-golden-boy Ian, suddenly gets engaged, Sage needs a win—something that will convince everyone to stop pitying her all the time, and to put Ian in his place. The Festival of Spunes, the town’s annual summer competition, would be the perfect opportunity. She just needs a partner.

Rosie Graham has a problem. A few, actually. She just quit her well-paid job to focus on her secret career as a romance writer. She hasn’t told her family and now has terrible writer’s block. Then, the ceiling of her New York apartment literally crumbles on her. Luckily she has her best friend Lina’s spare key while she’s out of town. But Rosie doesn’t know that Lina has already lent her apartment to her cousin Lucas, who Rosie has been stalking—for lack of a better word—on Instagram for the last few months.

Emily knew there would be strings attached when she relocated to the small town of Willow Creek, Maryland, for the summer to help her sister recover from an accident, but who could anticipate getting roped into volunteering for the local Renaissance Faire alongside her teenaged niece? Or that the irritating and inscrutable schoolteacher in charge of the volunteers would be so annoying that she finds it impossible to stop thinking about him?

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Ryder, Garrett, Kenzo, and Diesel - The Vipers. Their deals are as sordid as their business, and their reputation is enough to bring a grown man to his knees, forcing him to beg for mercy. They are not people you mess with, yet my dad did. The old man ran up a debt with them and then sold me to cover his losses. Yes, sold me. They own me now. I’m theirs in every sense of the word. But I’ve never been meek and compliant.

Beckett: If you’re reading this, well, you know the last-letter drill. You made it. I didn’t. Get off the guilt train, because I know if there was any chance you could have saved me, you would have. I need one thing from you: get out of the army and get to Telluride. My little sister Ella’s raising the twins alone. She’s too independent and won’t accept help easily, but she has lost our grandmother, our parents, and now me. It’s too much for anyone to endure. And here’s the kicker: there’s something else you don’t know that’s tearing her family apart.

We're not free to give into this. She's 19, and I'm 38. And I'm her boyfriend's father. Unfortunately, they both just moved into my house.

Eight years ago I fell into a secret summer fling with my best friend’s little sister before our lives went in different directions. Now, I’m the grumpy to Juliet’s sunshine on a popular dating podcast we host, and when a wealthy fan gives us a charming coastal cottage as the biggest thank you ever, we head to the town where I grew up to give it a makeover. And find the house has only one bed. Located under a mirrored ceiling.