
Dangerous Secrets: Callaghan Brothers, Book 1
4.6 stars from 5,327 reviews. One of the highest rated Contemporary Fiction books we track.
Last checked: May 31, 2026
Read free with Kindle Unlimited
While not the biggest discount we've seen for this book, it's still a great deal and we recommend grabbing it before price returns to its normal range.
Price range: Free – $4.99
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Fans of these authors will like this...
- Kristen Proby
- Nalini Singh
- Suzanne Wright
Fans of these books will like this...
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Perfect for you if...
- You enjoy romance with genuine tension where both characters have real reasons to keep walls up.
- You like your heroes competent and protective but not overbearing, with that military background adding substance.
- You want chemistry that feels earned rather than instant, built on gradual trust and vulnerability.
Maybe not for you if...
- You prefer romance where the couple can be completely open with each other from the start.
- You're looking for a light, breezy read without darker emotional stakes or genuine danger.
- You need your romance stories to resolve all conflicts neatly by the final page.
About this book
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Price History
Kindle price over time. Green zones = periods when the book was free.
Currently on sale at $2.49 — 50% off peak. Price has dropped 10 times over the last 5 years. Goes on sale roughly every 147 days. Typically stays discounted for 694 days.
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 64% recently.
Rating & Reviews
Purple line = star rating over time. Blue area = total review count growth.
Currently 4.6★ from 5,327 reviews
Gaining approximately 26 new reviews per month. Steady word of mouth growth. Rating has remained stable at 4.6 over the tracking period.
Sale Prediction
Actual Predicted
This book is currently discounted at $2.49. It typically returns to around $4.99.
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.
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