I Did Warn Her
  • Published: 7 October 2025
  • ISBN: 9781405975308
  • Imprint: Penguin General UK
  • Format: Paperback
  • Pages: 384
  • RRP: $22.99
Categories:

I Did Warn Her

Formats & editions
Paperback
7 Oct 2025
EBook
17 Jul 2025
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Below Deck meets Agatha Christie in this hot and twisty summertime thriller.

The escapist crime thriller for fans of Below Deck, Lucy Clarke and T.M. Logan

WHEN THERE'S BLOOD IN THE WATER, A FEEDING FRENZY IS SURE TO FOLLOW . . .

The Ophelia is your typical superyacht: luxurious, owned by a ruthless billionaire and staffed by crew who have just one job: keep the guests happy, whatever it takes. Sasha is the latest hire on a week-long Atlantic crossing, and she fits right in. In fact, she could be mistaken for any of the stewardesses: tall, blonde and model gorgeous.

But despite its sleek opulence, the Ophelia isn’t as heavenly as it seems. And when one of the stewardesses is found dead after a night of partying, all eyes turn to Sasha. But she’s not the only one with something to hide and below deck, nothing stays hidden for long.

Endlessly twisty and delightfully voyeuristic, I Did Warn Her is a whodunnit on the high seas, where the dark secrets of the ultra-wealthy have nowhere to hide.
  • Published: 7 October 2025
  • ISBN: 9781405975308
  • Imprint: Penguin General UK
  • Format: Paperback
  • Pages: 384
  • RRP: $22.99
Categories:

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Praise for I Did Warn Her

I DID WARN HER is Below Deck with a body count, and I loved every minute of it. Intricately plotted and devilishly dramatic, with a claustrophobic setting and a final twist to kill for, I DID WARN HER is everything I want in a thriller. I can't wait to see what Sian Gilbert does next!

Sara Ochs

Shimmering escapism. The perfect beach thriller. Consider yourself warned.

Catherine Steadman

With all the drama and intrigue of Below Deck and the glamour of White Lotus, do not miss out on this captivating thriller. An expertly crafted locked-room mystery in a unique setting - you won't be able to turn the pages fast enough the reach the stunning conclusion. A must-read this summer.

Rhiannon Barnsley

Set on a glamorous and glitzy billionaire's yacht, I DID WARN HER was like binging episodes of Below Deck - a thoroughly entertaining locked room mystery with characters you love-to-hate and a great final twist.

Nikki Smith

"exy, sordid, and scandalous. Gilbert delivers a page-turning thrill-ride that will keep readers tearing through pages and guessing until the very end.

Asha Elias
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