The Sunborn

Name: The Sunborn
Price: 2.99 USD
Availability: InStock
Rating: 4.3 (63 reviews)
Author: Gregory Benford

by Gregory Benford

Mystery Thriller Science Fiction

4.3 (63)

4.3 stars from 63 reviews

368 pages~6.1 hr readPublished by Aspect/Warner BooksPublished 2005-01-01

$2.99Deal83% off peak

Last checked: Jun 5, 2026

Price history: $2.99 – $17.99

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Price range: $2.99 – $17.99

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Fans of these authors will like this...

Kim Stanley Robinson
Stephen Baxter
James S.A. Corey

Fans of these books will like this...

The Martian Race
Rendezvous with Rama
The Expanse series

Perfect for you if...

You love hard science fiction that treats physics and biology as central to the plot, not window dressing.
You want alien contact stories that ask unsettling questions rather than providing comfortable answers.
You enjoyed The Martian Race and want to revisit Benford's vision of near-future space exploration with genuine stakes.

Maybe not for you if...

You prefer character-driven narratives over ideas. The people here serve the premise, not the other way round.
You want faster pacing. This is a thoughtful, deliberate book that lingers on scientific mystery over action sequences.
You're looking for hope or uplift. Benford's universe is indifferent and occasionally hostile to human understanding.

About this book

Gregory Benford returns with a novel set in the same future universe as The Martian Race. The first manned mission to Mars has achieved success, but an unexplained phenomenon emerges: the discovery of "marsmat," a complex anaerobic life-form found within tunnel networks beneath the planet's surface. The investigation into this discovery drives the narrative toward fundamental questions about life elsewhere in the universe, leading the search to the outer reaches of the solar system—into the distant, cold regions beyond Pluto.

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Price History

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

$2.99 – $17.99

Currently on sale at $2.99 — 83% off peak. Price has dropped 17 times over the last 6 years. Goes on sale roughly every 129 days.

Sales Rank

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

Currently around #29K in the Kindle store — a steady mid-list seller. Climbing the charts — 33% improvement recently.

Rating & Reviews

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

Currently 4.3★ from 63 reviews

Review activity has been quiet recently. Rating has remained stable at 4.3 over the tracking period.

Sale Prediction

Actual Predicted

This book is currently discounted at $2.99. It typically returns to around $17.99.

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.