Vintage Mystery Reading Challenge 2019 – Just the Facts, Ma’am

Original Post @ MY READER’S BLOCK

Challenge Levels
   Constable: 6 books — one from each category
   Detective Sergeant: 12 books — two from each category
   Inspector: 18 books — three from each category
   Inspired Amateur: 24 books — four from each category
   Chief Inspector: 30 books — five from each category
   Superintendent: 36 books — six from each category
   Chief Superintendent: 42 books — seven from each category
   Deputy Chief Constable: 48 books — eight from each category
   Chief Constable: 54 books — nine from each category
   Master Detective: 60 books — all ten books from each category

Featured image from 10 Story Detective, Dec 1947. Artist Unknown. Obtained from https://archive.org/details/10StoryDetective194712