Rule: A Dark MC Romance (Red Ridge Sinners MC Book 3)

Name: Rule: A Dark MC Romance (Red Ridge Sinners MC Book 3)
Price: 4.99 USD
Availability: InStock
Rating: 4.5 (1519 reviews)
Author: Caitlyn Dare

by Caitlyn Dare

Romance Dark Romance

4.5 (1,519)

4.5 stars from 1,519 reviews. Top 85% of Romance books we track.

$4.99KU

Last checked: May 19, 2026

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Price history: $4.99 – $4.99

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Price range: $4.99 – $4.99

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Perfect for you if...

You love dark, possessive romance where the chemistry between characters feels genuinely complicated and messy.
You're drawn to why choose narratives where the main character has legitimate reasons for being with multiple partners, not just wish fulfilment.
You enjoy MC romances with high stakes, past trauma, and the threat of real consequences looming over the relationship.

Maybe not for you if...

You prefer your romance straightforward and monogamous with clear relationship progression.
You're looking for a standalone novel rather than the middle book of an ongoing series.
You want romance that avoids dark or morally grey territory, or where the heroes are unambiguously good.

About this book

The third book in Caitlyn Dare's Red Ridge Sinners MC series continues the story of a protagonist who has revealed her love for three club members: Zach, Jax, and Diesel. Though these men want to claim her, unresolved secrets threaten to destroy their relationship and cause serious harm. While the three men may control her physically and possess her emotionally, they also hold the power to break her. However, the immediate danger comes not from their uncertain future together, but from the past catching up with them. When it arrives, everything changes. Rule is a full-length dark enemies-to-lovers/bully romance featuring a why choose dynamic, in which the main character pursues relationships with multiple love interests.

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Price History

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

$4.99 – $4.99

Price has been stable at $4.99 for 4 years. This book rarely goes on sale.

Sales Rank

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

Currently around #23K in the Kindle store — a steady mid-list seller. Climbing the charts — 74% improvement recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.5★ from 1,519 reviews

Gaining approximately 16 new reviews per month. Rating has remained stable at 4.5 over the tracking period.

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Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.