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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 > Medical Books > Medicine > Surgery > Thoracic & Vascular 15,426 540,284 $1,729 $61.75 100% 15% 30% 7% ~ 3,000
Books > Textbooks > Medicine & Health Sciences > Medicine > Clinical > Pulmonary & Thoracic Medicine 7,281 927,859 $2,076 $74.17 90% 10% 15% 0% ~ 3,000
Books > Textbooks > Medicine & Health Sciences > Medicine > Clinical > Surgery > Vascular 160,050 1,720,324 $0 $139.27 100% 10% 15% 0% ~ 953
Books > Textbooks > Medicine & Health Sciences > Medicine > Clinical > Surgery > Thoracic 435,991 1,761,295 $0 $119.99 100% 5% 15% 0% ~ 1,000