A Killer Wedding: A Novel

· Sold by HarperCollins
3 reviews
Ebook
336
Pages
Eligible

About this ebook

*A NATIONAL BESTSELLER*

“Fans of The White Lotus and Knives Out will gobble up this whip-smart whodunit.”—Marie Claire

"A gripping whodunit in the vein of Agatha Christie, A Killer Wedding will keep you guessing until the final, shocking twist.” —Liv Constantine, New York Times bestselling author of The Last Mrs. Parrish

Wildly witty and wickedly fun, A Killer Wedding is an escapist mystery that proves you’ll never forget your wedding day…especially if it starts with a murder.

Christine can’t believe her luck. The iconic Gloria Beaufort, founder of the billion-dollar beauty empire Glo, has personally chosen her to cover her grandson’s wedding for Bespoke, the cult fashion magazine that every A-list bride dreams of being featured in. A career-making scoop and a free trip to a castle turned five-star hotel on the Emerald Isle? It feels too good to be true…

Because it is.

Gloria is found dead on the very first morning of the celebratory weekend, and her entire family wants to keep her death a secret and for the wedding to march on. When Gloria’s heirs issue a chilling warning to Christine to keep things quiet, she can’t help but wonder if one of them is guilty. There’s


  • the son who’s hiding a damaging lawsuit;
  • the resentful daughter-in-law; the grandson who’s had a few too many run-ins with the law;
  • his ambitious wife who’s hiding more than one secret
  • Gloria’s favorite grandchild, the picture-perfect groom.



As Christine navigates a world where glamour masks grimy secrets and everyone she meets is a suspect, she realizes that among this glitzy elite, nothing is as it seems.
Set against the dazzling backdrop of ultimate luxury and an endless reveal of surprises, A Killer Wedding is a fast-paced, humorous mystery the pulls back the curtain on toxic family dynamics hidden beneath the surface of billionaire-level wealth.

*A NATIONAL BESTSELLER* “Fans of The White Lotus and Knives Out will gobble up this whip-smart whodunit.”—Marie Claire "A gripping whodunit in the vein of Agatha Christie, A Killer Wedding will keep you guessing until the final, shocking twist.” —Liv Constantine, New York Times bestselling author...

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Ratings and reviews

3 reviews
Carvanz
September 23, 2025
This was pure fun! A Killer Wedding is like being dropped into the middle of a rich people soap opera where everyone has secrets, & you just know someone’s lying every time they open their mouth. I loved Christine. She’s the “normal person” thrown into this billionaire circus, & her reactions made me feel like I was right there side eyeing the family with her. It’s witty, juicy, and just messy enough in the best way. Think Clue meets White Lotus with a fashion magazine twist. I flew through it!
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jeanine gray
February 5, 2026
Delightful, suspenseful read.
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About the author

Joan O’Leary is the author of the USA Today bestseller, A Killer Wedding. Prior to turning to fiction, O’Leary was a producer at The Tonight Show and studied English and Creative Writing at the University of San Diego. She lives with her husband in New York City.

Joan O’Leary is the author of the USA Today bestseller, A Killer Wedding. Prior to turning to fiction, O’Leary was a producer at The Tonight Show and studied English and Creative Writing at the University of San Diego. She lives with her husband in New York City.

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