| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Medical eBooks > Specialties > Radiology > Diagnostic Imaging | 65,558 | 1,082,698 | $0 | |
90% | 0% | 30% | 23% | ~ 1,000 |
| Kindle eBooks > Engineering & Transportation > Engineering > Computer Technology > Imaging Systems | 156,717 | 1,799,266 | $0 | |
95% | 5% | 45% | 23% | ~ 737 |
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