The Unknown is an audiobook by Riley Sager, narrated by Riley Sager and Maggie Grace and Patricia Santomasso and Erin Lin. The unabridged Audible edition runs 11 hrs 33 mins.
Publisher’s Summary
THE INSTANT #1 NEW YORK TIMES BESTSELLER
In 1926, five women disappeared from a remote island in Vermont. Now, one hundred years later, it’s happening again.
Struggling actress Marin Keane is shocked when she lands a role in a major motion picture about the unsolved mystery of New Avalon, an island on sprawling Lake Faraday in Vermont. She’s even more surprised when she learns that the role requires a weeklong research trip to that very spot.
Because New Avalon isn’t your ordinary island. A century ago, it was a commune for spiritual mediums—until they all vanished in 1926. The only trace of them was five dresses hanging from the branches of an old oak tree in the middle of the island, one for each missing woman. Some locals say they simply left. Others think they were murdered. But the prevailing opinion, thanks to a diary left behind by one of the vanished, a young woman named Daisy Rue, is that a séance gone wrong conjured something supernatural that took them all one by one.
Not long after arriving, Marin and her castmates, including legendary actress Violet Wright and white-hot director Ronan Peters, begin to realize all is not right with New Avalon. They hear strange noises in the night and notice mysterious symbols left behind by the island’s previous occupants. And after a sudden health emergency leaves Marin, Ronan, and the other actors stranded on the island, the disappearances begin again.
Is it the work of someone trying to derail the movie? Or is the island’s alleged supernatural past catching up with the present? As fear and suspicion mount, Marin turns to Daisy’s diary, hoping it holds the key to figuring out what really happened to the women of New Avalon—and how to keep the island’s terrible history from repeating itself.
Audiobook Details
- Narrated by: Riley Sager and Maggie Grace and Patricia Santomasso and Erin Lin
- Length: 11 hrs 33 mins
- Publisher: Penguin Audio
- Release year: 2026
- Audible category: Literature & Fiction / Horror / Mystery, Thriller & Suspense
Listener Ratings
The Unknown holds an average listener rating of 4.3/5 from 779 Audible ratings.
On Audible, ratings for this title break down into narration performance and story separately:
- Performance (narration): 4.4/5
- Story: 4.3/5
- 5-star ratings: 57% of all ratings
What Audible Listeners Are Saying
5/5 stars — “Loved it!”
I used one of my audible credits hoping it would be worth it. It was! A lot of thrillers in my opinion get too complicated, this book did not. It kept you interested from the beginning to the end! Creepy season is coming, this is a great book to listen to.— Tracy Ducott, Audible listener
4/5 stars — “the narrator for Marin was not my favorite “
I think I would have enjoyed reading this book instead of listening. The narrator for Marin was hard to hear at the end of her sentences but when it switched to Daisy it was too loud. Story was good with lots of twists!— Marianne N, Audible listener
5/5 stars — “I really liked it!”
I only write reviews when I enjoy a book and this one I did. So much so, I just bought another book by Riley Sager. I also like the acknowledgements, when the author talked about his journey.The story unusual and intriguing. Keep me looking forward to hearing the next chapter! The performance, all the narrators where perfect, very good at making distinguishing voices for the different characters. The main narrator did a great job.
I really liked it and he kept me guessing until the end! A fun ride! So many books I don’t even finish, sometimes is the story, a lot of times it’s the narration. This one I finished in a matter of days. Really happy to find this author and am looking forward to reading more of his stories.
— Stephanie L, Audible listener
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