All markets · 90-day comparable periods
Empty time buckets are shown as zero and retain their sample size; they are not interpolated by AI.
These are the records counted in the current prevalence numerator.
Julia Rook
Inspect evidenceIris Bell
Inspect evidenceOwen Slate
Inspect evidenceD. M. Harrow
Inspect evidenceJonah Reed
Inspect evidenceAva Grey
Inspect evidenceLone figure increased from 0% to 23.1% across comparable 90-day windows, a 23.1 percentage-point upward movement. The feature currently appears in 4 tracked market segments.
Indie Authors has the highest current prevalence at 33.3% (2 of 6), while Traditional Publishers is lowest at 16.7% (1 of 6).
Inspect the matching covers alongside non-matching covers from the same source types. Look for whether lone figure co-occurs with particular typography, imagery, colour, or subgenre choices before treating this as a durable convention.
Current window: 6 matching covers from a sample of 26.
Previous window: 0 matching covers from a sample of 0.
23.1 percentage points of measured upward movement.