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.

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.

The many lives of theoretical physicist Elsie Hannaway have finally caught up with her. By day, she’s an adjunct professor, toiling away at grading labs and teaching thermodynamics in the hopes of landing tenure. By other day, Elsie makes up for her non-existent paycheck by offering her services as a fake girlfriend, tapping into her expertly honed people-pleasing skills to embody whichever version of herself the client needs. Honestly, it’s a pretty sweet gig—until her carefully constructed Elsie-verse comes crashing down.

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.

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.

Evie Crowe is starting over in a strange town with her newborn, and men are the furthest thing from her mind. If only the quiet, hulking farmer, Luke Ward, would stop coming into the thrift shop and piquing her reluctant interest. Evie wants to stay single all the way—she can’t trust anything more than friends-with-holiday-benefits. But Luke is in it for the long haul. He’s fixed on making this a Christmas Evie will remember forever. If she gives him a chance.

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 ...

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.

Stella Lane thinks math is the only thing that unites the universe. She comes up with algorithms to predict customer purchases - job that has given her more money than she knows what to do with as well as way less experience in the dating department than the average 30-year-old. It doesn't help that she has Asperger's and that French kissing reminds her of a shark getting its teeth cleaned by pilot fish. She decides that she needs lots of practice - with a professional - which is why she hires escort Michael Phan.

Gigi Graham has exactly three goals: qualify for the women's national hockey team, win Olympic gold, and step out of her famous father's shadow. So far, so good, except for two little things. Fine—a little thing and a big, grumpy thing. She needs to improve her game behind the net, and she needs help from Luke Ryder. Ryder is six-foot five, built, opinionated, rude . . . and sexy as hell. But he's still the enemy.

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.

If Darcy Barrett hadn’t met her dream man when she was eight years old, the rest of the male population wouldn’t be such a let-down. No one measures up to Tom Valeska, aka the best man on Earth, not in looks, brain, or heart. Even worse is the knowledge that her twin brother Jamie saw him first, and claimed him forever as his best friend. Tom’s off limits and loyal to her brother, 99 percent. One percent of Tom has had to be enough for Darcy, and her adoration has been sustained by his shy kindness. And if she’s honest, his tight t-shirts.

Suddenly unemployed and on the brink of eviction, Cassie Evans is left with two choices: get a new job (and fast) or fire up her long-untouched OnlyFans account. But the job market is terrible, and as for OnlyFans. . . . Well, there are reasons she can’t go back. Just when all hope seems lost, an ad for a live-in nanny position seems like the solution to all her problems. It’s almost too perfect—until she meets her would-be employer.

At 33 years old, Evangeline Starling's life in Chicago is missing that special something. And when she's passed over for promotion at work, Evie realizes she needs to make a change. Some time away to regain perspective might be just the thing. In a burst of impulsivity, she plans a holiday in a quaint English village. The holiday package comes with a temporary position at Much Ado About Books, the bookstore located beneath her rental apartment. There's no better dream vacation for the bookish Evie, a life-long Shakespeare lover.