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parsed(2025-09-23) - pubdate: 09/25
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pub date: 1758603600
today: 1752296400, pubdate > today = true

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A Killer Wedding

A Novel

September 23, 2025 | Trade paperback
ISBN: 9780063469990
$25.99
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This title will be released on Sep 23, 2025. Pre-order now.

Description

"The Riptons are American royalty--wealthy, powerful, and bound by secrets. When they gather at a grand Irish castle for the society wedding of the year, as the ceremony unfolds something far more sinister lurks beneath the glamour. From the ambitious heirs and spurned lovers to the enigmatic staff and mysterious uninvited guest, everyone harbors secrets--and some are deadly. 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; and 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.

About this Author

Joan O'Learywas a producer atThe Tonight Showand studied English and Creative Writing at the University of San Diego. She's recently taken an NYC sabbatical and currently lives in Abu Dhabi with her husband--who yes, she did marry in an Irish castle, but the similarities end there.

ISBN: 9780063469990
Format: Trade paperback
Pages: 336
Publisher: HarperCollins
Published: 2025-09-23

Reviews

"Debut novelist O'Leary breathes new life into the sad oversupply of murder-stricken weddings by the simple expedient of stuffing her entry to the bursting point with subplots and villains.... [R]eads like the wedding-cruise version of Death on the Nile. Not to be missed." -- Kirkus Reviews (starred review)

"Former Tonight Show producer O'Leary debuts with an intricate whodunit... O'Leary luxuriates in the gleeful nastiness of her characters and juggles perspectives and timelines like a seasoned pro. With a surprisingly sophisticated plot and a winningly fizzy atmosphere, this is a memorable first outing. -- Publishers Weekly

"O'Leary's mystery is a fast-paced, funny whodunit... Murder, riches, and glamour are blended to engaging effect in O'Leary's first novel. For fans of Jesse Sutanto and Benjamin Stevenson." -- Library Journal

"The Riptons are American royalty--wealthy, powerful, and bound by secrets. When they gather at a grand Irish castle for the society wedding of the year, as the ceremony unfolds something far more sinister lurks beneath the glamour. From the ambitious heirs and spurned lovers to the enigmatic staff and mysterious uninvited guest, everyone harbors secrets--and some are deadly. 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

"Intricately plotted and deliciously immersive in its execution, no detail was overlooked in this stunning and impressive debut. I'm already eagerly awaiting Joan O'Leary's next book!" -- Elle Cosimano, New York Times bestselling author of the Finlay Donovan mysteries

"This diabolical whodunit had me cackling and turning pages at a breakneck pace late into the night. The twists! The turns! The back-stabbing (and badly behaving) billionaires! I loved every second."  -- Colleen Oakley, USA Today bestselling author of Jane and Dan at the End of the World

"Joan O'Leary delivers a dazzling debut with A Killer Wedding, a glamorous, darkly hilarious mystery set amid the cutthroat world of high society. With razor-sharp wit and irresistible style, she unravels a web of secrets, lies, and deadly ambition inside a castle full of suspects. Perfect for fans of twisty whodunits and wickedly entertaining family drama." -- Jean Kwok, New York Times bestselling author of The Leftover Woman

"A Killer Wedding is bursting with everything I want in a novel: glamour, secrets, family drama--and a castle in Ireland to boot! Debut novelist Joan O'Leary has crafted a whip-smart whodunit that's as surprising as it is stylish. With razor-sharp wit and irresistible intrigue, this novel had me guessing (and gasping!) until the very last page. A wildly fun escape from a standout new voice." -- Kristy Woodson Harvey, New York Times bestselling author of Beach House Rules 

"A Killer Wedding is packed with juicy secrets, clever twists, and fabulous characters you definitely do not want to be trapped at a destination wedding with. Darkly glamorous, intricately plotted and so much fun, I loved it." -- Nicci Cloke, author of Her Many Faces

"A Killer Wedding is a clever and biting send-up of the lifestyles of the rich and famous, with all their attendant magazine coverage and social media moments. O'Leary adds murder to the mix, raising the stakes with an expertly plotted whodunit and an ensemble cast of suspects."  -- Emily Dunlay, author of Teddy

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