
Kaiju Combat University: Book One
4.7 stars from 634 reviews. Top 94% of Science Fiction books we track.
Last checked: Apr 27, 2026
Read free with Kindle Unlimited
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Price range: $3.99 – $7.99
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Fans of these authors will like this...
- Brandon Sanderson
- Marie Rutkoski
- Travis Baldree
Fans of these books will like this...
- Sturmfräulein
- The Poppy War
- Arcane Ascension series
Perfect for you if...
- You love sci-fi action with a harem element that actually earns its premise rather than forcing it.
- You're drawn to stories about underdogs shattering expectations in militaristic settings, especially when the world's rules get upended.
- You want character-driven combat scenes with real stakes, grounded romantic tension, and a protagonist who's genuinely out of his depth.
Maybe not for you if...
- You prefer romance where monogamy is the default and polyamory feels forced or uncomfortable.
- You're looking for grimdark or gritty military sci-fi. This leans optimistic and academy-focused.
- You need standalone stories. This is book one of a series and ends on genuine cliffhangers.
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 $3.99 — 50% off peak. Price has dropped 1 time over the last 9 months.
Sales Rank
Amazon sales rank: lower number = better selling book. #1 is the bestseller.
Currently #8,561 in the Kindle store — a top-10K bestseller. Sales have softened 48% recently.
Rating & Reviews
Purple line = star rating over time. Blue area = total review count growth.
Currently 4.7★ from 634 reviews
Gaining approximately 100 new reviews per month. Steady word of mouth growth. Rating has dipped slightly from 4.9 to 4.7.
Sale Prediction
Actual Predicted
This book is currently discounted at $3.99. It typically returns to around $7.99.
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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