| 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 > Roofing | 52,005 | 839,941 | $439 | |
100% | 5% | 70% | 3% | ~ 188 |
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