| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Engineering & Transportation > Transportation > Aviation > Helicopters | 57,745 | 996,769 | $460 | |
100% | 0% | 65% | 0% | ~ 2,000 |
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