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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 > Audible Audiobooks > Science > Biology N/A N/A N/A N/A N/A N/A N/A N/A N/A
Books > Science & Math > Biological Sciences > Biology 379 14,478 $15,360 $13.38 85% 5% 5% 3% ~ 100,000
Children's Books > Science, Nature & How It Works > Biology 261 47,331 $1,789 $7.99 90% 0% 25% 0% ~ 5,000
Books > Health, Fitness & Dieting > Psychology & Counseling > Developmental Psychology 2,350 54,760 $3,588 $14.24 85% 5% 5% 3% ~ 6,000
Books > Medical Books > Psychology > Developmental Psychology 1,281 106,063 $3,767 $14.95 100% 0% 21% 0% ~ 5,000
Books > Science & Math > Nature & Ecology > Oceans & Seas > Marine Biology 5,025 116,583 $2,555 $18.25 90% 0% 20% 0% ~ 4,000
Books > Textbooks > Science & Mathematics > Biology & Life Sciences 18,405 129,743 $862 $30.79 75% 0% 15% 0% ~ 90,000
Books > Textbooks > Science & Mathematics > Biology & Life Sciences > Biology 7,844 131,888 $1,187 $42.41 85% 5% 5% 0% ~ 40,000
Books > Science & Math > Biological Sciences > Biology > Microbiology 693 174,089 $1,255 $14.95 100% 0% 30% 3% ~ 20,000
Books > Science & Math > Evolution > Molecular Biology 6,361 189,337 $562 $20.08 95% 10% 30% 0% ~ 10,000
Books > Science & Math > Biological Sciences > Biology > Cell Biology 13,570 189,915 $447 $15.99 100% 5% 25% 10% ~ 10,000
Books > Science & Math > Biological Sciences > Biology > Entomology 4,432 201,065 $841 $15.02 100% 0% 20% 7% ~ 8,000