| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Computing > Computer Science > Systems Analysis & Design | 34,458 | 272,566 | £279 | |
100% | 5% | 30% | 30% | ~ 1,000 |
| Kindle eBooks > Science & Math > Mathematics > Mathematical Analysis | 67,155 | 500,863 | £219 | |
100% | 5% | 15% | 27% | ~ 3,000 |
| Kindle eBooks > Education & Reference > Words & Language > Handwriting | 125,906 | 895,487 | £0 | |
100% | 0% | 30% | 47% | ~ 249 |
| Kindle eBooks > Science & Math > Mathematics > Applied > Vector Analysis | 68,750 | 1,631,484 | £0 | |
95% | 0% | 30% | 47% | ~ 204 |
| Kindle eBooks > Science & Math > Mathematics > Pure Mathematics > Functional Analysis | 51,961 | 1,640,841 | £0 | |
90% | 0% | 30% | 33% | ~ 1,000 |
| Kindle eBooks > Children's eBooks > Education & Reference > Reading & Writing > Handwriting | 332,310 | 1,841,537 | £0 | |
100% | 0% | 40% | 47% | ~ 46 |
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