Book Cover
Trend Tracker
All trendsMeasured tag / setting-cover
trope / stable

Setting Cover

Psychological Thrillers · All markets · comparable 12 months periods

+7.3percentage
points
Current prevalence49.3%74 matching covers / n=150
Previous period42%63 matching covers / n=150
Signal statestableRule-based classification
As ofOct 30, 2026Latest evidence check
01 / Current window

Observed Prevalence

Dec 30n=12Mar 1n=24May 1n=29Jul 1n=18Aug 30n=35Oct 30n=32

Empty time buckets are shown as zero and retain their sample size; they are not interpolated by AI.

02 / Market separation

Source Breakdown

Amazon Bestsellers30 / 7540%
Amazon New Releases2 / 2100%
Indie Authors0 / 0—
Traditional Publishers42 / 7357.5%
03 / Underlying evidence

74 matching Covers.

These are the records counted in the current prevalence numerator.

04 / Evidence interpretation

What It May Mean.

Built Oct 31, 2026

AI interpretationgpt-6-luna
exploratory confidence
Interpretive summary
Setting covers appeared in 74 of 150 covers (49.3%), up from 63 of 150 (42%) in the previous period: a measured increase of 7.3 percentage points. The supplied trend label is “stable.”
Market context

In the current sample, setting covers were recorded on 42 of 73 traditional-publisher covers (57.5%) and 30 of 75 Amazon bestsellers (40%). The Amazon New Releases sample had only 2 covers; no indie-author covers were sampled.

What to investigate

Compare the covers from both periods and code setting type, visual prominence, and whether the setting is shown directly or suggested through background details.

Facts supplied to the interpreter

Current: 74/150 (49.3%); previous: 63/150 (42%).

Change: +7.3 percentage points.

Current source counts: traditional publishers 42/73; Amazon bestsellers 30/75; Amazon New Releases 2/2; indie authors 0/0.