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Category name Best seller rank 50th book's rank Median sales($) Median price ($) Volatility (%) New releases (%) Self pub.(%) KDP Select (%) Competition
Books > Children's Books > Science, Nature & How It Works > Astronomy 662 8,999 £1,646 £7.35 90% 5% 0% 0% ~ 7,000
Books > Science & Nature > Astronomy & Cosmology > Astronomy 568 19,347 £588 £7 95% 0% 0% 8% ~ 50,000
Books > Science & Nature > Physics > Cosmology 2,936 22,508 £406 £7.26 100% 8% 25% 13% ~ 7,000
Books > Science & Nature > Astronomy & Cosmology 552 22,964 £1,328 £6.78 90% 0% 0% 5% ~ 60,000
Books > Science & Nature > Reference > Astronomy & Cosmology 1,038 26,950 £486 £8.69 85% 0% 0% 0% ~ 6,000
Books > Science & Nature > Popular Science > Astronomy 892 36,193 £610 £10.91 90% 5% 0% 0% ~ 1,000
Books > Science & Nature > Astronomy & Cosmology > Solar System 3,814 64,565 £256 £9.16 90% 0% 5% 4% ~ 2,000
Books > Young Adult > Science & Technology > Astronomy 2,569 74,865 £617 £11.03 85% 0% 5% 0% ~ 1,000
Books > Science & Nature > Astronomy & Cosmology > Astronomy > Theoretical & Mathematical Astronomy 4,293 127,638 £273 £9.75 95% 5% 0% 0% ~ 1,000
Books > Science & Nature > Astronomy & Cosmology > Astronomy > Stars & Interstellar Matter 1,264 144,627 £535 £9.57 90% 5% 0% 4% ~ 3,000
Books > Science & Nature > Astronomy & Cosmology > Astronomy > Star Gazing 669 146,545 £257 £9.19 80% 0% 0% 0% ~ 1,000
Books > Science & Nature > Astronomy & Cosmology > Education 1,157 290,470 £520 £9.3 90% 0% 0% 0% ~ 9,000