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.

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.

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.

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.

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.

The adopted human daughter of the Nightborn vampire king, Oraya carved her place in a world designed to kill her. Her only chance to become something more than prey is entering the Kejari: a legendary tournament held by the goddess of death herself. But winning won’t be easy amongst the most vicious warriors from all three vampire houses. To survive, Oraya is forced to make an alliance with a mysterious rival.

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.

What makes love stick? Is it the irresistible spark when you lock eyes across a piazza in Rome? Is it feeling the earth move under your feet? (Wait—that was an actual earthquake.) In these six serendipitous short stories, bestselling authors turn improbable first encounters into hopelessly romantic happy ever afters.

Living in a year around Christmas town has its drawbacks. The caroling, the decorations, the insanely cheery spirit, it never disappears. It's why I like to hibernate away in my cave - I mean housekeeping a healthy distance from the holly jolly spirits. And all was going according to plan until my nemesis, Storee Taylor, moved in next door to care for her Aunt Cindy. Without blinking, she turned my simple world into a real nightmare-before-Christmas, especially when she decided to enter the town Christmas Kringle contest - which she was determined to win.

It’s the flight before Christmas and Molly just got an unexpected gift: a free first-class upgrade on her plane trip home for the holidays. Bring on the complimentary cocktails! But after one too many, she spills all her secrets to the hot guy seated next to her—only to wake up mortified when her buzz has worn off. At least she never has to see Liam again ... or so she thinks. When Molly arrives at Christmas House, the festive rental home that she and her family are sharing with her sister’s fiancé and his wealthy family, she discovers that Liam is one of the new in-laws. Oops.

When mystery author D. B. Ziegler is late delivering her book, Abi Schore steps in to help. Surely she can give her favorite author moral support over the holiday break and get the manuscript to her boss at Tea & Sympathy Publishing in time for the new year. When Abi shows up on Ms. Ziegler’s doorstep bearing holiday treats, she’s met by the author’s handsome grandson Dov, who reveals a startling plot twist. His grandmother isn’t able to finish the book and Dov promised he’d complete it so fans won’t be disappointed—a task that’s harder than he ever imagined.

There's no place like home for the holidays ... especially for Lesley Carver. Life in the big city just wasn't her jam and now she's back in Hickory Falls, working at the family diner and helping her mom after she took a tumble. Lesley longs to build a life here, working at the cafe, selling her handmade ornaments and ... er, apparently reviving her high school crush on her best friend’s older brother. Only one problem, her mom wants her to leave Hickory Falls far behind.

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.

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.

Tilly Farriday isn’t feeling very jolly this season. Recently divorced and broke, she’s squatting in one of her rental agency’s properties until her new home is ready. The sprinkles on top of the burnt Christmas cookie that is her life? The new owner shows up early, forcing Tilly to hide in the attic to save her job…and what remains of her dignity.

Clark Griswold was onto something...at least with his annual holiday meltdown. And since the last three weeks of my life have been riddled with humbug—another breakup, a broken toe, an office promotion I deserved and didn’t get—I’m not at all in the mood to celebrate nor have the happ, happ, happiest Christmas EVER.

After watching my mother succumb to a mysterious illness, I promised myself two things. I'd find the cure for what ravaged her and leave the godforsaken city where she abandoned me. Four years later, I received an acceptance letter from Dracadia University, one of the oldest most prestigious schools in the country. Nestled on a secluded island off the coast of Maine, it's rumored to be haunted by the souls of the mental patients exiled there centuries before, those whose bones are said to make up the island's white sandy shores. And restless ghosts aren't even its most daunting peculiarity.

After a bad breakup, Nola wants nothing to do with Christmas, especially in her quaint hometown of Bright Harbor, Maine. Infuriatingly charming and cheery, Nola’s surroundings only worsen her sour mood. To make matters worse, Caleb, the boy who broke her heart years ago, is all grown up and still living in town. While doing her best to avoid him, Nola bumps into the local mailman, who gives her a mysterious letter. And when she finds that the writer is a fellow Scrooge, she can’t help but feel her spirit lifting.