Past Kindle Book Deals but Still Must Read Books!

Looking for must read books you missed the first time around? You’re in the right place. This is where all of our past Kindle book deals live—the ones good enough to click, even if the discount’s gone. Every book here was hand-picked by our team, featured in a daily deal, and still earns a spot on your TBR.

No filler. No bots. Just actually good books at prices that might still be suspiciously low.

Book cover collage featuring Threshing Day by Rebecca Yarros, A Parade of Horribles by Matt Dinniman, and The Divorce by Freida McFadden.

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125 past books matching Hard Sci-Fi

Warship

Warship

Joshua Dalzelle

Sci-Fi · Hard Sci-Fi

In the 25th century, humanity’s long peace has left its warships outdated and its defenses complacent.

The Doors of Eden

The Doors of Eden

Adrian Tchaikovsky

Sci-Fi · Genetic Engineering

Four years after vanishing on Bodmin Moor, Mal reappears, pulling her friend Lee—and MI5 investigator Julian Sabreur—into a mystery tied to physicist Kay Amal Khan’s research on parallel…

The Years of Rice and Salt

The Years of Rice and Salt

Kim Stanley Robinson

Speculative Fiction · Sci-Fi

Kim Stanley Robinson reimagines world history after the Black Death wipes out nearly all of Europe, reshaping global power and belief for centuries.

Homo Machina

Homo Machina

PA Vasey

Sci-Fi · Genetic Engineering

In 2098, humanity is gone and Earth lies in radioactive ruin.

Fall; or, Dodge in Hell

Fall; or, Dodge in Hell

Neal Stephenson

Sci-Fi · Hard Sci-Fi

Ideal for readers drawn to ambitious science fiction about technology, consciousness, mortality, and digital worlds.

Embers of War

Embers of War

Gareth L. Powell

Sci-Fi · Hard Sci-Fi

The sentient warship Trouble Dog once fought a war that scarred the galaxy.

The Minotaur

The Minotaur

Peter Cawdron

Sci-Fi · First Contact

A rescue crew arrives on an alien moon to find survivors living beneath the ice and a mystery that is killing them.

Harvest of Stars

Harvest of Stars

Poul Anderson

Sci-Fi · Hard Sci-Fi

Good for readers who want classic science fiction about rebellion, space politics, virtual consciousness, and authoritarian control.

Shroud

Shroud

Adrian Tchaikovsky

Sci-Fi · Hard Sci-Fi

Best for readers who like science fiction survival stories with hostile planets, alien intelligence, first contact, and creeping dread.

Revenger

Revenger

Alastair Reynolds

Hard Sci-Fi · Teen + Young Adult

With 4.3 out of 5 stars, this Hugo Award–winning author’s fast-paced adventure is perfect for fans of Firefly and Treasure Planet.

The Accidental Time Machine

The Accidental Time Machine

Joe Haldeman

Sci-Fi · Hard Sci-Fi

Joe Haldeman’s The Accidental Time Machine blends razor-sharp humor with big-idea science fiction.

The Ministry for the Future

The Ministry for the Future

Kim Stanley Robinson

Dystopian · Hard Sci-Fi

A must-read for fans of epic, idea-driven science fiction.

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