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Science Fiction & Fantasy

Space Opera KDP Category Guide

Amazon KDP Category Guide — BSR benchmarks, competition data, and how to rank

Category Overview

Kindle Store › Kindle eBooks › Science Fiction & Fantasy › Science Fiction › Space Opera

Competition Level

High Competition
7/10

BSR Benchmarks

Metric Benchmark
BSR to reach Top 10 < 300
BSR to reach Top 100 < 3,000
Average Price $4.99–$6.99

Space Opera has a passionate fanbase that reads widely and reviews prolifically. Military sci-fi crossover is common. Prolific authors with 5+ book series dominate the top 100.

How to List Your Book in This Category

  1. 1 Open your KDP Bookshelf and go to your book's details page.
  2. 2 Under "Categories", click Browse Categories.
  3. 3 Follow the path: Kindle Store › Kindle eBooks › Science Fiction & Fantasy › Science Fiction › Space Opera
  4. 4 If the subcategory is not selectable directly, contact KDP support and provide the BISAC code. BISAC: FIC028010
  5. 5 You can hold up to 3 categories per book — use all three.

Tips for This Category

  • Fleet battles and galactic politics are genre expectations
  • Strong world-building with consistent internal rules is required
  • Audio editions perform extremely well in this category — plan for ACX

Related KDP Categories

Military Science Fiction Epic Fantasy