| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Society, Politics & Philosophy > Warfare & Defence > Armed Forces > Air Forces | 516 | 25,992 | £399 | |
100% | 11% | 15% | 25% | ~ 10,000 |
| Books > Biography > War & Espionage > Air Force | 3,684 | 105,985 | £406 | |
95% | 30% | 0% | 24% | ~ 2,000 |
| Books > Science & Nature > Engineering & Technology > Civil Engineering > Building Construction & Materials > Heating, Lighting & Ventilation | 3,074 | 206,985 | £666 | |
100% | 0% | 55% | 0% | ~ 2,000 |
| Books > Young Adult > Science & Technology > Technology > Air & Space Science | 23,250 | 451,796 | £283 | |
100% | 5% | 15% | 3% | ~ 316 |
| Books > Sports, Hobbies & Games > Air Sports | 10,067 | 692,626 | £219 | |
90% | 0% | 10% | 10% | ~ 1,000 |
| Books > Travel & Holiday > Speciality Travel > Air Travel | 3,838 | 874,180 | £202 | |
100% | 13% | 40% | 10% | ~ 2,000 |
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