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Best Science fiction series

The 124 best Science fiction series, scored across every volume.

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By year of first publication, 1938–2025. The busiest stretch is 2010–2019, with 35. Select a bar to narrow the list.

Why The Broken Earth is #1

The Broken Earth (N. K. Jemisin) scores 8.7/10 from 4.5K ratings — 0.1 points ahead of Red Rising Saga in second place.

The score is a weighted average across 3 independent rating sources. A title with few ratings is pulled toward the category average, so a handful of enthusiastic reviews cannot outrank a book that thousands of readers have judged. Method →

What good science fiction does

Good science fiction tests what one idea does to people, not just to the scenery.

The idea reshapes a societyA gadget is not enough. See whether the change rearranges law, work, family and power.
Hard or soft: pick one“The Martian” counts oxygen; “A Psalm for the Wild-Built” asks what people need. Both are here.
Someone has something to loseA book of ideas alone reads like a lecture. The idea works once somebody pays for it.

Frequently asked questions

Which title here has the most ratings?

The Hunger Games (Suzanne Collins) — 23.4K ratings and 8.1/10, which puts it at #39 on this list.