We’ve ranked the best in fantasy… now it’s time to head for the stars! 🌌

In this solo episode, Jim breaks down the Top 20 Science Fiction Book Series (4 or more books) published since 1950 — ranked entirely by the data. No opinions. No nostalgia. Just cold, hard numbers.

These rankings combine total sales, critical acclaim, and average reader ratings from Goodreads, Storygraph, and Amazon to determine which sci-fi sagas truly reign supreme. From interstellar wars to post-human futures, androids, wormholes, and spice melange, this list has it all — and maybe a few surprises that’ll make you double-check your TBR.

💬 Did your favorite make the list?

Comment below with the series you think deserves a higher spot — or one you think doesn’t belong at all!

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🔭 How the Rankings Were Determined:

• Series must have 4 or more books

• First published 1950 or later

• Ranked by Total Estimated Sales, Critical/Award Recognition, and Fan Ratings

• Spoiler-lite discussion, heavy on data, fun, and discovery

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Want to purchase book series mentioned in this episode?

Animorphs Series: https://t.ly/nTkYe

The Culture: https://t.ly/gbFIl

The Dragonriders of Pern: https://t.ly/j1Jkq

Dune Chronicles: https://t.ly/x5IuH

Ender’s Saga / Shadow: https://t.ly/5Gxm-

The Expanse: https://t.ly/wM2K0

Foundation Series: https://t.ly/oJmNN

The Hitchhiker’s Guide to the Galaxy Series: https://t.ly/x2okc

Honor Harrington / Honorverse: https://t.ly/CZ8Dm

Hunger Games Trilogy: https://t.ly/E4GSF

Hyperion Cantos: https://t.ly/qhM-b

Liaden Universe: https://t.ly/TlesU

Old Man’s War Series: https://t.ly/qkf16

Rama Series: https://t.ly/wmlnf

Red Rising Series: https://t.ly/33acx

Revelation Space: https://t.ly/TRXO2

Space Odyssey Series: https://t.ly/LEyqD

Vorkosigan Saga: https://t.ly/Ldt-1

Ways to connect with us:

Follow Jim/Father on Goodreads: https://www.goodreads.com/user/show/13848336-jim-scriven

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0:00 - Opening

1:28 - Episode Explanation

2:47 - The Top 20 List

16:21 - Honorable Mention

17:33 - Conclusion & Wrap-up

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