| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Audible Audiobooks > Science > Mathematics | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Books > Engineering & Transportation | 524 | 4,298 | $37,212 | |
85% | 5% | 20% | 0% | ~ 200,000 |
| Books > Engineering & Transportation > Engineering | 663 | 8,269 | $35,851 | |
90% | 5% | 25% | 0% | ~ 200,000 |
| Books > Engineering & Transportation > Transportation | 1,501 | 11,194 | $9,166 | |
95% | 0% | 30% | 0% | ~ 100,000 |
| Books > Science & Math > Mathematics | 684 | 12,811 | $17,808 | |
90% | 0% | 35% | 0% | ~ 200,000 |
| Books > Science Fiction & Fantasy > Science Fiction > Genetic Engineering | 635 | 15,205 | $4,471 | |
95% | 5% | 30% | 47% | ~ 10,000 |
| Books > Engineering & Transportation > Automotive | 1,702 | 16,866 | $4,551 | |
90% | 5% | 35% | 3% | ~ 70,000 |
| Books > Science & Math > Mathematics > Pure Mathematics | 794 | 19,952 | $5,045 | |
90% | 0% | 40% | 3% | ~ 70,000 |
| Books > Science & Math > Mathematics > Applied | 1,664 | 26,413 | $3,917 | |
95% | 5% | 0% | 0% | ~ 70,000 |
| Books > Engineering & Transportation > Transportation > Aviation | 1,283 | 28,587 | $6,259 | |
100% | 0% | 25% | 3% | ~ 10,000 |
| Books > Engineering & Transportation > Engineering > Industrial, Manufacturing & Operational Systems | 990 | 29,440 | $5,820 | |
75% | 10% | 15% | 0% | ~ 60,000 |
| Books > Engineering & Transportation > Transportation > Aviation > Piloting & Flight Instruction | 1,570 | 30,146 | $6,263 | |
80% | 5% | 25% | 0% | ~ 3,000 |
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