| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Computing > Programming > Languages & Tools > Ruby | 170,816 | 1,201,400 | £0 | |
100% | 0% | 40% | 50% | ~ 225 |
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