The best science fiction audiobooks over 20 hours, ranked by the data
Ranked by weighted listener rating, the best science fiction audiobook over 20 hours in our dataset is The Ultimate Hitchhiker's Guide to the Galaxy by Douglas Adams: 4.41★ across 104 ratings and 24.1 estimated listening hours. We scored every published science fiction audiobook over 20 hours: 52 qualify (science fiction-shelved titles with full pages here), carrying 3,359 listener ratings between them. The top 15 are below. No opinions: the formula in the method note decides the order.
The top 15
The Ultimate Hitchhiker's Guide to the Galaxy by Douglas Adams
About 25 days at an hour a day, 115% longer than the average fantasy audiobook.
Death's End (The Three-Body Problem Series Book 3) by 刘慈欣
About 22 days at an hour a day, 96% longer than the average science fiction audiobook.
Cryptonomicon by Neal Stephenson
About 28 days at an hour a day, 120% longer than the average thriller audiobook.
A Game of Thrones by George R. R. Martin
About 24 days at an hour a day, 112% longer than the average fantasy audiobook.
The Stand by Stephen King
About 35 days at an hour a day, 177% longer than the average thriller audiobook.
Memories of Ice by Steven Erikson
About 44 days at an hour a day, 293% longer than the average fantasy audiobook.
A Deepness in the Sky (Zones of Thought) by Vernor Vinge
About 24 days at an hour a day, 115% longer than the average science fiction audiobook.
Caliban's war by James S. A. Corey
About 21 days at an hour a day, 93% longer than the average science fiction audiobook.
Leviathan Wakes by James S. A. Corey
About 21 days at an hour a day, 93% longer than the average science fiction audiobook.
Anathem by Neal Stephenson
About 28 days at an hour a day, 147% longer than the average fantasy audiobook.
Morning Star by Pierce Brown
About 22 days at an hour a day, 100% longer than the average science fiction audiobook.
The Hunger Games Trilogy (Hunger Games / Catching Fire / Mockingjay) by Suzanne Collins
About 34 days at an hour a day, 300% longer than the average romance audiobook.
Shatter Me Complete Collection by Tahereh Mafi
About 59 days at an hour a day, 593% longer than the average romance audiobook.
Light Bringer by Pierce Brown
About 21 days at an hour a day, 85% longer than the average science fiction audiobook.
Winter by Marissa Meyer
About 25 days at an hour a day, 125% longer than the average science fiction audiobook.
How this ranking works
Every published science fiction audiobook over 20 hours qualifies: 52 books. Each is scored by its Open Library listener rating weighted by its rating count: score = (v·R + 50·C) ÷ (v + 50), where R is the book's rating, v its number of ratings, and C = 4.03★ the mean across all 2,181 published books we measured. Fewer ratings pull a score toward that mean, so a high rating on a handful of votes can't outrank a slightly lower one backed by hundreds. A book ranks here only when its own Open Library subject data confirms the science fiction shelf; surfacing in a science fiction search alone doesn't qualify it. Children's titles, memoirs and autobiographies are excluded from these rankings; they keep their regular book pages. No editorial picks, no sponsored placement. Dataset build 2026-10-12; rankings recompute with every data refresh. Full methodology · All science fiction audiobooks we measured
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