Darkness of Mine: A Dark FBI Reverse Harem Romance (Of Mine Book 3)

Name: Darkness of Mine: A Dark FBI Reverse Harem Romance (Of Mine Book 3)
Availability: InStock
Rating: 4.3 (2410 reviews)
Author: Alexis Grace

by Alexis Grace

Thriller Dark Romance

4.3 (2,410)

4.3 stars from 2,410 reviews. Top 76% of Thriller books we track.

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Last checked: Jun 9, 2026

Price history: $1.99 – $4.99

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It Ends with Us
Credence
House of Shadows

Perfect for you if...

You love reverse harem romance where the main character has genuine chemistry with multiple love interests and the group dynamic matters as much as the romance itself.
You're drawn to dark, morally complex characters who make questionable choices under impossible pressure.
You want stakes that go beyond romance: a serial killer, a missing child, and someone forced to choose between self-preservation and doing the right thing.

Maybe not for you if...

You need standalone books or can't commit to a trilogy; this is book three and requires knowledge of the previous two to land emotionally.
You prefer romance without explicit sexual content or darker themes like trauma, manipulation, and psychological warfare.
You want your main character to make rational, likeable decisions; Freya's choices are often self-destructive and driven by guilt.

About this book

This is the third and final book in the Of Mine trilogy. Reading Killer of Mine and Secrets of Mine first is recommended due to spoilers. Freya formerly worked for the FBI but is now evading them. She should be safe and free, but the Cross-Cut Killer case proves far more complicated than expected. The killer has made the case personal and is determined to torment her. After doing what he demanded—running from the men she loves—she is suffering deeply. While hiding with her pseudo-sister Carmen offers temporary refuge, it cannot heal her trauma. River, Jude, Eli, and Oz refuse to let her endure alone and are coming for her regardless of her wishes. Freya cannot avoid them indefinitely, especially since catching the killer requires their help. The killer continues hunting, and now a child's life is at stake. Darkness of Mine is a full-length, mature New Adult romance featuring morally grey characters, forced proximity, darker moments, and explicit content. It is a why choose romance, meaning the protagonist has multiple love interests. Trigger warnings are included.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$1.99 – $4.99

Currently free. Price has dropped 1 time over the last 11 months.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently around #21K in the Kindle store — a steady mid-list seller. Sales have softened 47% recently.

Rating & Reviews

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Currently 4.3★ from 2,410 reviews

Gaining approximately 884 new reviews per month. Reader interest is surging. Rating has remained stable at 4.4 over the tracking period.

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