| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Science & Math > Physics > Energy > Fossil Fuels > Petroleum | 7,254 | 502,496 | $754 | |
95% | 5% | 25% | 0% | ~ 4,000 |
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