Golden boy Caplan and bookish Mina have been unlikely soulmates since third grade. Bound by growing up in single-mother households on the same cul-de-sac in Two Docks, Michigan, their friendship exists miraculously outside their high school’s social order. Mina is class valedictorian, expected by her late father’s parents to attend his Ivy alma mater; Caplan is laughing off prom-king predictions and the fear that he’s peaking too soon. When Cap’s skateboard-toting, detention-dodging best friend confesses his feelings for Mina, she is whisked into a social life she never imagined.

It’s Senior Sunrise, the epic overnight at the beach that kicks off senior year. But for Natalia and Ethan, it’s the first time seeing each other after what happened at junior prom—when they almost crossed the line from best friends to something more and ruined everything. After ghosting each other all summer, Natalia is desperate to pretend she doesn’t care, and Ethan is desperate to fix his mistake. When the senior class carries out their tradition of writing private letters to themselves—what they wish they would do this year if they were braver—Natalia pours her heart out. So does Ethan.

Georgia Woodward lives by her lists, none more so than the one about her ex, Eli Mora. It’s full of the ironclad dos and don’ts they’ve been following since she returned to the Bay Area after their cataclysmic breakup five years ago. With the wedding of their mutual best friend, Adam, looming, and them about to step into their roles as best woman and man, Georgia’s never needed it more. She refuses to threaten their tight-knit friend group with her messy—and still very present—feelings. The rules on that list will keep her cool, calm, and compartmentalized.

When Juniper Nash Abreheart kissed Graham Isham for the first time, she had no idea it would nearly be the end of their friendship. More specifically, she had no idea that the terrible, unforgivable thing she did to keep their summer fling a secret wouldn’t just ruin their friendship, but also Graham’s entire life. Now, months since the fallout, Junie and Graham spend most of their time sidestepping conversational landmines on the journey back to normalcy. Junie is sure the strangeness between her and Graham is her biggest problem—until her mom hires Tallulah.

Perpetual daydreamer Liz Buxbaum gave her heart to Michael a long time ago. But her cool, aloof forever crush never really saw her before he moved away. Now that he’s back in town, Liz will do whatever it takes to get on his radar - and maybe snag him as a prom date - even befriend Wes Bennet. The annoyingly attractive next-door neighbor might seem like a prime candidate for romantic-comedy fantasies, but Wes has only been a pain in Liz’s butt since they were kids. Yet, somehow, Wes and Michael are hitting it off, which means Wes is Liz’s in.

Pranking mastermind Doe and her motley band of Weston girls are determined to win the century-long war against Winfield Academy before the clock ticks down on their senior year. But when their headmistress announces that The Weston School will merge with its rival the following year, their longtime feud spirals into chaos. To protect the school that has been her safe haven since her parents’ divorce, Doe puts together a plan to prove once and for all that Winfield boys and Weston girls just don’t mix, starting with a direct hit at Three, Winfield’s boy king and her nemesis.

When thirty-year-old post-double-mastectomy BRCA1 carrier and reluctant thrill-seeker Alison Mullally arrives at her ex-boyfriend Sam’s funeral to discover that no one knows he dumped her, she agrees to play the grieving girlfriend for the sake of the family. Little did she know this would mean packing up Sam's apartment with his prickly best friend, Adam Berg. After all, it'll only take four weekends . . . But Adam doesn’t want Alison anywhere near him. Forced to spend long hours with the grump and his monosyllabic demeanor, Alison decides to put her people-pleasing abilities to the test.

Eileen Merriweather loves to get lost in a good happily-ever-after. The fictional kind, anyway. Because at least imaginary men don’t leave you at the altar. She feels safe in a book. At home. Which might be why she’s so set on going her annual book club retreat this year—she needs good friends, cheap wine, and grand romantic gestures—no matter what.

Hazel Elliot never looks back. If a door closes, she burns the whole house down. But when she’s invited to her father’s wedding, she’s forced to return to Lockett Prairie, Texas, for the first time since she fled for college. Ash Campbell has been in love with Hazel since she dated his best friend in high school. Now, Ash and Hazel’s relationship is limited to playful feuding over the best chair in their favorite coffee shop, but his attraction to the prickly girl from home has only grown stronger.

No one loves musicals more than Riley Morris—her dream is to be a Broadway director. But when the spring show is canceled, Riley has to figure out a way to bring it back. Easier said than done—she’s stuck working at her dad’s game store. The place that means more to him than his family does. Riley can't waste time at a dead-end job when her entire future is resting on making a name for herself. So she convinces her co-worker Nathan Wheeler—the floppy-haired, glasses-wearing guy she barely knows from school—to help her. In exchange, she’ll help him make his gamer-girl crush jealous.

Fake spirit medium Gretchen Acorn is happy to help when her best (read: wealthiest) client hires her to investigate the unexplained phenomena preventing the sale of her bridge partner’s struggling goat farm. Gretchen may be a fraud, but she'd like to think she’s a beneficent one. So if "cleansing" the property will help a nice old man finally retire and put some much-needed cash in her pockets at the same time, who's she to say no? Of course, it turns out said bridge partner isn't the kindly AARP member Gretchen imagined.

When seventeen-year-old Bailey starts a new job at a hotel waterpark, she is less than thrilled to see an old acquaintance is one of her coworkers. Bailey met Charlie a year ago on the long flight to Omaha, where she moved after her parents’ divorce. Charlie’s cynicism didn’t mix well with Bailey’s carefully well-behaved temperament, and his endless commentary was the irritating cherry on top of an already emotionally fraught trip. Now, Bailey and Charlie are still polar opposites, but instead of everything about him rubbing Bailey the wrong way, she starts to look forward to hanging out.

When a very public breakup becomes a PR nightmare for Ian Chase's team, he hopes to focus on his game, but that suddenly seem less likely than a hat trick. With his career and the team’s image in jeopardy, Ian is surprised to find a solution through none other than Delilah Baker, his best friend and teammate's little sister…who isn’t so little anymore.

Maggie is an unapologetically grumpy forty-eight-year-old hermit. But when her college-aged son makes her a deal—he’ll be more social if she does the same—she can’t refuse. She joins a new online gaming guild led by a friendly healer named Otter. So that nobody gets the wrong idea, she calls herself Bogwitch. Otter is Aiden, a fifty-year-old optimist using the guild as an emotional outlet from his family drama caring for his aging mother while his brother plays house with Aiden’s ex-fiancée.

Reuniting Tori Spring, her little brother Charlie, and Charlie's boyfriend Nick, this novella sees the Spring siblings brave a particularly difficult festive season.