| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Computing & Internet > Databases > Data Storage & Management > Data Mining | 968 | 89,302 | £798 | |
95% | 5% | 0% | 3% | ~ 5,000 |
| Books > Science & Nature > Engineering & Technology > Petroleum, Mining & Geological | 962 | 219,765 | £362 | |
100% | 5% | 15% | 0% | ~ 8,000 |
| Books > University Textbooks > Business & Finance > Industries > Energy & Mining | 1,251 | 1,051,251 | £349 | |
100% | 14% | 30% | 0% | ~ 10,000 |
| Books > Science & Nature > Engineering & Technology > Petroleum, Mining & Geological > Drilling | 38,983 | 1,492,690 | £0 | |
100% | 10% | 35% | 3% | ~ 1,000 |
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