| 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 > Contracting | 8,854 | 211,131 | $559 | |
85% | 0% | 30% | 0% | ~ 1,000 |
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