Family Relationships — Kindle Category Opportunity
Competition snapshot for the Parenting & Relationships best-seller list, ease-of-entry score 35.0/100.
Category metrics
Score
35.0
Median reviews
285
Weak share (top 20)
10%
Median price
$2.99
Median star rating
4.0
Books scanned
50
Worth writing in?
Family Relationships is between the extremes: 10% of the top 20 is under 100 reviews against a median of 285, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Ease-of-entry score 35.0/100.
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 |
|---|---|---|
| marriage in crisis | 35 | 837 |
| second chance | 29 | 736 |
| billionaire marriage in crisis | 27 | 727 |
| crisis second chance romance | 27 | 727 |
| marriage in crisis second | 27 | 727 |
| husband billionaire marriage | 19 | 465 |
| billionaire husband | 20 | 464 |
| billionaire husband billionaire marriage | 16 | 364 |
| wife of billionaire husband | 5 | 160 |
| neglected and humiliated | 4 | 119 |
| revenge romance | 6 | 96 |
| infidelity and revenge romance | 5 | 83 |
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More Parenting & Relationships categories
8 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 63.0 | 116 |
| █████ | 50.5 | 118.5 |
| █████ | 44.5 | 372.5 |
| █████ | 42.0 | 1991 |
| █████ | 41.0 | 885.5 |
| █████ | 38.5 | 1563 |
| █████ | 37.5 | 1773.5 |
| █████ | 0.0 | 264 |
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.
Keep researching with the free tools
Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.