The Unknown

Hardback Published on: 04/08/2026
Price: £22.00
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Published 04/08/2026
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Coming soon
Published 04/08/2026
No stock available in any shop.

Synopsis

1926
Five dresses hang from the branches of an old oak tree.
Five women from across the island disappear into the darkness.
Five pages are torn from a diary, lost for 100 years...

2026
A film crew arrive on the island to capture its legendary history. But not long into their stay, strange noises are heard. Mysterious symbols are found, left by the island's previous occupants. And then the disappearances begin again.

As panic and superstition rise, one actress must use the old diary's remains to uncover the island's terrifying secret, and prevent a dark history from repeating itself...

The brand-new, unputdownable thriller from New York Times bestselling author Riley Sager. Fans of Grady Hendrix, Freida McFadden and Alice Feeney will be hooked!

READERS LOVE RILEY SAGER:

'OH. MY. WORD. I devoured it in a single day . . . addictive . . . bold, propulsive, and full of twists. I genuinely loved it and couldn't put it down.' Goodreads reviewer, ⭐⭐⭐⭐⭐

'Wow! What a read! . . . I was immediately sucked in . . . so many twists . . . I literally couldn't put this book down . . . amazing . . . It deserves all the stars.' Goodreads reviewer, ⭐⭐⭐⭐⭐

'Page-turner . . . unpredictable . . . loved it . . . thrilling . . . left my head spinning.' Goodreads reviewer, ⭐⭐⭐⭐⭐

'I loved this! Riley Sager is the master of twists! This gave me big Agatha Christie vibes . . . tense and fast-paced.' Goodreads reviewer, ⭐⭐⭐⭐⭐

'I LOVED this book!! . . . heart-pounding.' Goodreads reviewer, ⭐⭐⭐⭐⭐

'I DEVOURED it!!! I loved it badddddd . . . In true Riley Sager fashion, you think you know what's happening and then he sends 4 more twists at you.' Goodreads reviewer, ⭐⭐⭐⭐⭐

AND SO DO YOUR FAVOURITE AUTHORS:

'A locked room thriller at its best! Nonstop suspense with twists and turns that will leave your head spinning' Freida McFadden

'Sager wields a deft hand in bringing all the elements together into a rip-roaring, tension-filled tale of greed, murder and revenge' David Baldacci

Publisher information

  • Publisher: Hodder & Stoughton
  • ISBN: 9781399742122
  • Number of pages: 368
  • Dimensions: 240 x 156 mm
  • Languages: English

Customer Reviews

View all
The Unknown
Spooky thriller
Firstly thanks to NetGalley and the publishers for the advanced copy of this book in return for my honest opinion.Riley Sager certainly is back with a veng... READ MORE
Midge B
This reviewer received a free of charge product for review.
The Unknown
Absolute page turner!! 4.5 stars ✨
Absolutely loved this! By the 30% mark I was hooked and stayed up late to finish it. I genuinely got chills and even a little scared at some points in ... READ MORE
Drew Major
This reviewer received a free of charge product for review.
The Unknown
Sinister! 4.5 Stars!
Sager does it again with another really gripping, slightly unsettling thriller that’s stuck with me even after I finished it. His books are always twisty, ... READ MORE
Rebecca Smalls
This reviewer received a free of charge product for review.