Amelia Collins is by definition successful. She would even go so far as to say successfully single. But not according to her family, and she's tired of the constant questions about her nonexistent dating life. When an invitation to yet another family wedding arrives, she decides to get everyone off her back once and for all by finding someone—anyone—to pose as her date. After a chance encounter with Reginald Cleaves, Amelia decides he's perfect for her purposes.

Scarlett Vandermeer is swimming upstream. A Junior at Stanford and a student-athlete who specializes in platform diving, Scarlett prefers to keep her head down, concentrating on getting into med school and on recovering from the injury. She has no time for relationships. Swim captain, world champion, all-around aquatics golden boy Lukas Blomqvist thrives on discipline. It’s how he wins gold medals and breaks records: complete focus, with every stroke. On the surface, Lukas and Scarlett have nothing in common. Until a well-guarded secret slips out, and everything changes.

Emily Walker hates having her carefully crafted world disrupted by anyone, most of all her legendary nemesis, Jack Bennett. He’s the opposite of the wonderful heroes she dreams up in her double life as a romance writer, which is why Emily was perfectly happy when Jack left Rome, Kentucky, mid-school year with his fiancée. The last thing Emily saw coming was Jack’s return at the start of the summer after calling off the wedding and ending his relationship, but he’s here to stay—as her colleague and her neighbor.

Every summer, superstar surgeon Whitney Aldritch crashes weddings with her best friend. The first one was an accident, though after a decade of dropping in uninvited, they’re masters of their craft. They keep the rules simple, and they never go to bed alone.

My father called them messengers. He once told me they walked among us and that somewhere in this dark and godless city, there shined a faint sliver of hope. I had only to look for the signs. Well, I’ve spent my whole life investigating the inexplicable and all I've found are the unsettling vestiges of iniquity—the evidence of another world shrouded by the obscure. Purgatory to some, where depravity hides in shadows, and girls like me are little more than delicious bites of temptation. Others call it Nightshade.

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.

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.

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.