| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Science & Nature > Physics > Nuclear | 14,734 | 112,945 | £279 | |
100% | 6% | 25% | 12% | ~ 10,000 |
| Books > Science & Nature > Engineering & Technology > Energy Technology > Nuclear Power | 18,890 | 234,138 | £316 | |
100% | 12% | 20% | 0% | ~ 4,000 |
| Books > Science & Nature > Engineering & Technology > Mechanical & Materials Engineering > Engines & Power Transmission | 6,157 | 332,772 | £360 | |
95% | 0% | 0% | 0% | ~ 2,000 |
| Books > Science & Nature > Engineering & Technology > Electrical > Power Generation & Distribution | 12,636 | 365,069 | £437 | |
90% | 0% | 25% | 0% | ~ 3,000 |
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