| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Engineering & Transportation > Engineering > Construction > Plumbing & Household Automation | 8,550 | 331,958 | $651 | |
95% | 15% | 50% | 10% | ~ 1,000 |
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