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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 > Internal Medicine > Geriatrics 6,992 145,175 $1,566 $13.99 100% 5% 45% 3% ~ 5,000
Books > Textbooks > Medicine & Health Sciences > Medicine > Clinical > Geriatrics 187,244 1,018,101 $0 $54.07 100% 5% 15% 0% ~ 2,000