455 different books were found in the 36 "Best Non-Fiction" book lists we consulted. Of the 455 books, 114 appeared…
141 different books were found in the 17 "Best Biography & Memoir" book lists we consulted. Of the 141 books,…
171 unique books were found in the 21 "Best History" book lists we consulted. Of the 171 books, 37 titles…