| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Science & Nature > Engineering & Technology | 30 | 3,671 | £8,277 | |
100% | 10% | 5% | 4% | ~ 200,000 |
| Books > University Textbooks > Engineering | 39 | 4,930 | £6,699 | |
100% | 0% | 35% | 15% | ~ 200,000 |
| Books > Fiction > Science Fiction > Genetic Engineering | 121 | 8,637 | £2,011 | |
95% | 10% | 25% | 33% | ~ 10,000 |
| Books > Arts & Photography > Decorative Arts & Design | 1,101 | 9,928 | £3,995 | |
95% | 13% | 30% | 3% | ~ 60,000 |
| Books > Arts & Photography > Architecture > Design | 809 | 11,012 | £3,781 | |
100% | 0% | 40% | 7% | ~ 20,000 |
| Books > Home & Garden > Interior Design & Decoration | 442 | 12,332 | £3,197 | |
95% | 30% | 5% | 0% | ~ 40,000 |
| Books > Science & Nature > Engineering & Technology > Civil Engineering | 656 | 12,408 | £1,260 | |
100% | 21% | 40% | 3% | ~ 100,000 |
| Books > Science & Nature > Engineering & Technology > Education | 1,108 | 13,255 | £879 | |
100% | 10% | 15% | 0% | ~ 70,000 |
| Books > Science & Nature > Engineering & Technology > Aeronautics & Aerospace | 197 | 13,289 | £1,118 | |
100% | 31% | 20% | 5% | ~ 20,000 |
| Books > Scientific, Technical & Medical > Engineering | 408 | 15,344 | £840 | |
95% | 20% | 0% | 4% | ~ 200,000 |
| Books > Science & Nature > Engineering & Technology > Chemical | 1,028 | 15,433 | £921 | |
100% | 7% | 30% | 4% | ~ 60,000 |
| Books > Arts & Photography > Decorative Arts & Design > Textile & Costume | 2,272 | 16,871 | £1,311 | |
100% | 20% | 25% | 0% | ~ 7,000 |
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