9 Best Science Fiction Books For Adults

Updated October 2025

Top Choice

1.

The Unknown

9.7

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2.

The Call of the Wild

9.5

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3.

The Enceladus Mission: Hard Science Fiction (Ice Moon Book 1)

9.1

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4.

The Seclusion

8.9

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lowest price

5.

The Richest Man in Babylon

8.7

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6.

Sci Fi on the Fly : A Reader's Guide to Science Fiction

8.3

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7.

Science Fiction for Young Readers by C.w. Sullivan (English) Hardcover Book Free

7.9

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8.

Sci Fi on the Fly: A Reader's Guide to Science Fiction for Young

7.8

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9.

Fantasy and Science Fiction for Kids by MR Cristian Butnariu (English) Paperback

7.5

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