Book Metadata & Keywords

Tactical guides, comparisons, and case studies to help self-published authors get more reviews, rank for the right keywords, and turn browsers into buyers.

Underserved Kindle Genres: What Readers Buy vs What Authors Publish

We mapped about 400 Kindle fiction categories and compared what the #50 book sells with how many new English books arrived in 90 days. Three genres looked open, two that keep getting called underserved were crowded, and one had great numbers held by a single author.

Book Metadata & Keywords · Oct 21, 2026 · 12 min read

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