| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Science & Math > Mathematics > Popular & Elementary | 113,971 | 385,842 | $225 | |
100% | 0% | 25% | 27% | ~ 2,000 |
| Kindle eBooks > Science & Math > Mathematics > Popular & Elementary > Arithmetic | 145,941 | 691,258 | $197 | |
100% | 0% | 30% | 50% | ~ 902 |
| Kindle eBooks > Science & Math > Mathematics > Pure Mathematics > Algebra > Elementary | 96,284 | 695,909 | $279 | |
100% | 5% | 40% | 37% | ~ 299 |
| Kindle eBooks > Science & Math > Mathematics > Popular & Elementary > Pre-Calculus | 100,906 | 807,821 | $279 | |
95% | 0% | 35% | 33% | ~ 287 |
| Kindle eBooks > Science & Math > Mathematics > Popular & Elementary > Counting & Numeration | 182,676 | 1,716,677 | $0 | |
100% | 0% | 55% | 60% | ~ 640 |
| Kindle eBooks > Education & Teaching > Childhood Education > Elementary School | 75,610 | 3,041,497 | $167 | |
100% | 5% | 35% | 63% | ~ 4,000 |
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