
Operation Heartbeat (SEAL Team Blackout Charlie Book 1)
by Em Petrova
4.6 stars from 691 reviews. Top 93% of Romance books we track.
Last checked: Jul 4, 2026
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Price range: Free – $4.99
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Fans of these authors will like this...
- Susan Stoker
- Anna Hackett
- Elle James
Fans of these books will like this...
- Take the Leap
- Protecting the Enemy
- Deceit
Perfect for you if...
- You love military romance where the action sequences matter as much as the chemistry between leads.
- You're drawn to smart heroines who can match their heroes intellectually, not just physically.
- You want high-stakes danger balanced with genuine emotional stakes and steamy tension.
Maybe not for you if...
- You prefer slow-burn romance without explicit content.
- You're sceptical of the 'fake relationship to real feelings' trope and need more originality in your meet-cute.
- You want standalone novels rather than series openers that leave you needing book two.
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 4 times over the last 19 months. Goes on sale roughly every 103 days.
Sales Rank
Amazon sales rank: lower number = better selling book. #1 is the bestseller.
Currently around #50K in the Kindle store — a steady mid-list seller. Sales have softened 24% recently.
Rating & Reviews
Purple line = star rating over time. Blue area = total review count growth.
Currently 4.6★ from 691 reviews
Gaining approximately 31 new reviews per month. Steady word of mouth growth. Rating has dipped slightly from 4.7 to 4.6.
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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