Dark as Day (Cold As Ice Book 2)

Dark as Day (Cold As Ice Book 2)

by Charles Sheffield

4.4 (70)

4.4 stars from 70 reviews


$2.99Deal83% off peak

Last checked: Jul 4, 2026

Price history: $0.50 $17.99

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Fans of these authors will like this...

  • Greg Egan
  • Kim Stanley Robinson
  • Stephen Baxter

Fans of these books will like this...

  • Rendezvous with Rama
  • The Three-Body Problem
  • Foundation

Perfect for you if...

  • You want hard science fiction that takes physics seriously but never loses sight of human stakes and character.
  • You enjoy intricate plots where seemingly separate storylines (population collapse, SETI breakthrough, weapon discovery) converge into something terrifying.
  • You appreciate writers who can make you care about both the big ideas and the flawed people caught in them.

Maybe not for you if...

  • You prefer action-driven narratives over the careful accumulation of ideas and dread.
  • You want straightforward plots without needing to track multiple threads across different solar system locations.
  • You're looking for character-driven intimate drama rather than civilization-scale stakes.

About this book

Dark As Day is set in the same universe as Sheffield's previous novel Cold As Ice, thirty years after the Great War—an interplanetary conflict that nearly destroyed humanity and left behind dangerous weapons caches threatening human survival. The Solar System is recovering from the devastation. On one of Jupiter's moons, Alex Ligon, heir to an interplanetary trading family, has created an accurate population model. When the Seine—the interconnected computer network spanning the planets, moons, and asteroids—comes back online, he uses it to project a century into the future. The model predicts complete human extinction. Meanwhile, on another moon, Millie Wu, a young genius working on the Search for Extraterrestrial Intelligence project, detects an incoming signal from outside the solar system. On a minor moon of Saturn, the eccentric scientist Rustam Battacharyia continues collecting weapons from the Great War. He believes he has discovered an unexpected new weapon and must disarm it before it destroys the Sun. This title is sold without Digital Rights Management Software (DRM) applied.

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Price History

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

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Free$8.99$17.99Mar '20Aug '25Nov '25Feb '26
$0.50$17.99

Currently on sale at $2.99 — 83% off peak. Price has dropped 10 times over the last 6 years. Goes on sale roughly every 41 days.

Sales Rank

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

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#13,730#963,698#1,913,665Sep '18Dec '23Dec '25Jul '26

Currently around #144K in the Kindle store — a niche title.

Rating & Reviews

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3.5★4.3★5.0★Oct '23Sep '24Dec '25Jan '26Feb '26May '26RatingReviews

Currently 4.4★ from 70 reviews

Review activity has been quiet recently. Rating has climbed from 4.4 to 4.6. Recent readers are rating it higher.

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Free$8.99$17.99Mar '20Aug '25Nov '25Feb '26PredictedJul '26

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.

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Charles Sheffield

1 book on Vagrant Press

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