This is a list of adult non-fiction books that topped The New York Times Non-Fiction Best Seller list in 1984.
The distinct list for "Advice, How-To, and Miscellaneous" debuted January 1, 1984. Its number one bestseller (The Body Principal by Victoria Principal) had been number ten and number twelve on the non-fiction lists for the two preceding weeks.
References
The New York Times Non-Fiction Best Sellers of 1984 Wikipedia(Text) CC BY-SA