The Icerigger Trilogy: Icerigger, Mission to Moulokin, and The Deluge Drivers (Humanx Commonwealth)
4.5 stars from 649 reviews. Top 94% of Science Fiction books we track.
Last checked: Jun 30, 2026
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: $1.99 – $44.99
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Fans of these authors will like this...
- Alastair Reynolds
- James S.A. Corey
- C.J. Cherryh
Fans of these books will like this...
- Dune
- Revelation Space
- The Expanse: Leviathan Wakes
Perfect for you if...
- You love sprawling space opera with genuine world-building and cross-species friendships that feel earned rather than convenient.
- You want adventure stories where survival means learning to live with hostile environments, not just escaping them.
- You appreciate character-driven sci-fi that threads political stakes (alien diplomacy, Commonwealth politics) through the action.
Maybe not for you if...
- You prefer intimate, contained stories. This trilogy spans planets, timescales, and entire civilisations.
- You need modern prose and tight pacing. Foster's 1970s-80s style is slower and more digressive than contemporary sci-fi.
- You want human-only perspectives. The Tran are central to the narrative, and their culture and concerns matter as much as the humans'.
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 $28.99 — 36% off peak. Price has dropped 44 times over the last 6 years. Goes on sale roughly every 44 days. Typically stays discounted for 269 days.
Sales Rank
Amazon sales rank: lower number = better selling book. #1 is the bestseller.
Currently around #270K in the Kindle store — a niche title. Sales have softened 31% recently.
Rating & Reviews
Purple line = star rating over time. Blue area = total review count growth.
Currently 4.5★ from 649 reviews
Gaining approximately 2 new reviews per month. Rating has remained stable at 4.5 over the tracking period.
Sale Prediction
Actual Predicted
This book is currently discounted at $28.99. It typically returns to around $44.99.
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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