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White Mountain

Not yet published
Expected 13 Oct 26
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In the second book in Ruby Jean Cottle's dark and romantic Black River duology, a group of teens must face new supernatural threats while guarding the secrets that could tear them apart.

It's been months since the Silver sisters' life changed forever. Dusty should be focused on her new relationship, but how can she, when her visions of the future show her little sister in trouble? Something is waking beneath the mountain, and it’s getting harder to ignore.

When an old foe returns with an army of vampire fledglings and a dangerous new agenda, the Silver sisters and their friends are forced to confront him once again. And after a body turns up in the woods, an unrelenting detective begins digging into the town’s string of unsolved deaths, threatening to expose everything they've all hidden.

As new romances bloom and loyalties are tested, the group is forced to face impossible questions about themselves and their relationships.

Whatever is hiding in the mountain isn’t finished with them. And the worst may still be yet to come.

368 pages, Hardcover

Expected publication October 13, 2026

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About the author

Ruby Jean Cottle

6 books99 followers
Ruby Jean Cottle is a writer from Sydney, Australia. Growing up, Ruby spent childhood summers in upstate New York, where her passion for writing blossomed as her imagination ran wild in the mountains and forests far from her home. After studying art history at university, Ruby found herself on a winding career path in fashion, digital media and creative direction. After becoming a mother, she decided to return to her first love: writing stories.

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5 stars
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Displaying 1 - 3 of 3 reviews
Profile Image for Ayana.
127 reviews1 follower
Review of advance copy received from Netgalley
April 13, 2026
🩸🌨 4.5☆

I love Demon Fairy Opi (she's not literally one, you'll get it)!

For me this second part of the duology was better than the first in experience (more comfortable to read) and characters (which no more felt like a group of oh so "special" superheroes), but less attractive in plot (less of a logical line and strategy, mostly predictable events, but quite interesting to read anyway).

The way Dusty overcontrolled Opi was extremely annoying. I don't thing that kind of "care" for her sister did any good. And controlling more in the face of a coming danger sounds even worse. I guess that's another reason why I liked this book much more than the first — this one is Opi's and Black River was Dusty's. And Dusty's so annoying in comparison.

The story about the mother was kinda strange. I don't understand the logic in characters' actions in that moment. It just seemed like the author wanted the story to be told somehow and shoved it there failing to build any logical connection, like an NPC was filling in the needed info. And there were other moments like this later. Sadly turned out to be just for another plot moments, not character interactions/development and whatever. A lot of scenes with side characters felt like we were there just to get some insights/steps into the plot, not the naturally flowing story.

Overall I liked it anyway, enjoyed reading. It had original worldbuilding despite the classical topic, characters I loved (most of them. Not Dusty though), and many other memorable details!

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Thanks to NetGalley and the publisher for providing me with this free eARC in exchange for my honest review!
Profile Image for Alyssa J.
342 reviews17 followers
April 14, 2026
White Mountain is a small-town romance but different and dark. I really enjoyed the setting, it created a warm feeling while reading and the writing was easy to follow.

However, the pacing tends to drag, particularly in the middle, making it hard to stay fully engaged. The romance was sweet, but I found myself wanting more depth and tension between the main characters. I was hunting for the dark aspect & never really felt it.

Overall, this was an easy read with a lovely atmosphere, but it left me wanting more spark between the characters.
Profile Image for ShireenWrites.
266 reviews7 followers
Review of advance copy received from Publisher
April 8, 2026
(Slight spoiler)
I really enjoyed this book, even more than the first, since Ophelia was one of my favorite characters. Although in this book her sudden immaturity and rashness was annoying. I really enjoyed the enemies to friends to lovers relationship with her and Eli, although it was the slowest of slowest burns.
The natural and sci-fi elements in this book were interesting and I think it could have been a trilogy.

Thank you Macmillan for the advanced digital review copy.
Displaying 1 - 3 of 3 reviews