Genre guide · Fiction

Science Fiction: word count & book length

How long a science fiction book should be, which trim sizes suit it and what that means in printed pages. Typical length: 90,000–120,000 words.

90,000–120,000 wordstypical length
21,244works in Open Library

About science fiction

Fiction driven by speculative science and technology — space travel, AI, future societies and their consequences.

Printed length in recommended trim sizes

TrimPages at 11 ptSpine (white)
6 x 9 in US Trade314–414 pages0.71–0.93 in
5.5 x 8.5 in Digest358–474 pages0.81–1.07 in

Page counts for these lengths

Tips for this category

  • Science fiction readers notice internal consistency; keep a technical bible.
  • Glossaries are welcome in hard SF and space opera back matter.

About Science Fiction

Science fiction (often shortened to sci-fi or abbreviated SF) is the genre of speculative fiction that imagines advanced and futuristic changes in technology, scientific knowledge, or biological systems. The elements common to science fiction have increased over time: from space exploration, extraterrestrial life, time travel, and robotics; to parallel universes, dystopian societies, and biological manipulations; and, most recently, to information technology, transhumanism, posthumanism, and environmental challenges. Science fiction often explores human responses to the consequences of these types of projected or imagined scientific advances. The precise definition of science fiction has long been disputed among authors, critics, scholars, and readers.

From the Wikipedia article “Science fiction”, licensed under CC BY-SA 4.0.

Most-published science fiction works in Open Library

TitleAuthorFirst publishedEditions
Alice's Adventures in WonderlandLewis Carroll18653,548
Frankenstein; or, The Modern PrometheusMary Shelley18182,187
The Wonderful Wizard of OzL. Frank Baum18992,049
DraculaBram Stoker18971,919
The Time MachineH. G. Wells18951,146
The Lost WorldArthur Conan Doyle1900747
Nineteen Eighty-FourGeorge Orwell1949727
Brave New WorldAldous Huxley1932723
The Jewel of Seven StarsBram Stoker1902653
The Iron HeelJack London1907597

Open Library lists 21,244 works under this subject.

Frequently asked questions

How long should a science fiction book be?
Typically 90,000–120,000 words. Fiction driven by speculative science and technology — space travel, AI, future societies and their consequences..
What trim size is best for science fiction?
Common choices are 6 x 9 in US Trade, 5.5 x 8.5 in Digest.

Sources & data

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