The Architect of Aeons: Book Four of the Eschaton Sequence (Count To A Trillion 4)

Name: The Architect of Aeons: Book Four of the Eschaton Sequence (Count To A Trillion 4)
Price: 17.14 USD
Availability: InStock
Rating: 4.3 (287 reviews)
Author: Wright, John C.

by Wright, John C.

Science Fiction Science Fiction Fantasy

4.3 (287)

4.3 stars from 287 reviews

427 pages~7.1 hr readPublished by Tor Books

$17.14At peak price

Last checked: Jun 1, 2026

Hidden GemHighly rated but flying under the radar. Fewer readers have found this one yet.

Price history: $2.99 – $17.14

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Price range: $2.99 – $17.14

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Fans of these authors will like this...

Greg Egan
Alastair Reynolds
Karl Schroeder

Fans of these books will like this...

Diaspora
The Revelation Space series
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Perfect for you if...

You want space opera that thinks at the scale of galaxies and millennia, not just star systems and decades.
You're drawn to philosophical science fiction where the stakes are about the nature of mind, consciousness, and what it means to be human.
You've read the first three books and need to know how Montrose and del Azarchel's rivalry and ambition finally resolves.

Maybe not for you if...

You prefer intimate character studies or romance at the centre of your plot. This is about ideas and cosmic engineering first.
You find dense, conceptually challenging prose exhausting rather than exhilarating.
You're jumping in here without having read the previous Eschaton books. This finale assumes you know the history and relationships.

About this book

The final book in the Eschaton Sequence follows Menelaus Montrose and his immortal rival Ximen del Azarchel as they form an uneasy alliance. Together, they plan humanity's future across vast timescales, creating planetary-scale minds and guiding the evolved descendants of extinct humanity. Both men are driven by hope of reuniting with Rania, a posthuman woman they both loved and lost. Her eventual return is uncertain, and her reappearance could undo everything the two eternal rivals have worked to build. This space opera spans millennia and concludes the series. The publisher has released this title without Digital Rights Management Software (DRM).

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Price History

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

$2.99 – $17.14

Price has dropped 7 times over the last 9 months. Goes on sale roughly every 40 days. Typically stays discounted for 15 days.

Sales Rank

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

Currently around #107K in the Kindle store — a niche title. Climbing the charts — 49% improvement recently.

Rating & Reviews

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

Currently 4.3★ from 287 reviews

Review activity has been quiet recently. Rating has dipped slightly from 4.4 to 4.3.

Sale Prediction

Actual Predicted

This book goes on sale roughly every 40 days. Next drop estimated in about 4 weeks. Typical discount: 83% off.

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.