| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Science Fiction & Fantasy > Science Fiction > First Contact | 492 | 5,787 | $5,809 | |
100% | 15% | 40% | 97% | ~ 1,000 |
| Kindle eBooks > Health, Fitness & Dieting > Safety & First Aid | 6,137 | 222,250 | $195 | |
100% | 10% | 15% | 30% | ~ 2,000 |
| Kindle eBooks > Children's eBooks > Biographies > U. S. Presidents & First Ladies | 45,227 | 428,418 | $167 | |
95% | 0% | 25% | 27% | ~ 320 |
| Kindle eBooks > History > Americas > Canada > First Nations | 31,976 | 949,807 | $0 | |
95% | 15% | 20% | 17% | ~ 473 |
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