Constitutional Law — Kindle Category Opportunity
Competition snapshot for the Law best-seller list, ease-of-entry score 40.0/100.
Category metrics
Score
40.0
Median reviews
194
Weak share (top 20)
20%
Median price
$6.99
Median star rating
4.6
Books scanned
50
Worth writing in?
Constitutional Law is between the extremes: 20% of the top 20 is under 100 reviews against a median of 194, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Ease-of-entry score 40.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on AmazonNo breakout books in this category.
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| supreme court | 4 | 148 |
| united states | 5 | 114 |
| bill of rights | 4 | 89 |
| civil rights | 3 | 75 |
| united states of america | 3 | 70 |
| federalist papers | 2 | 62 |
| constitution of the united | 3 | 61 |
| declaration of independence | 3 | 61 |
| america the declaration | 2 | 49 |
| independence the bill | 2 | 49 |
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More Law categories
3 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 77.5 | 1 |
| █████ | 58.0 | 36 |
| █████ | 20.5 | 93.5 |
Subcategory names are visible after sign-in — a free account unlocks every subcategory score.
Sign up free to unlockCheck the keywords before you write
Category scores show where entry is easiest; keyword lookups show whether readers actually reach for it. A free account includes keyword competition lookups plus unlimited category scans.
After you publish: why aren't readers buying?
Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.