Fiction - 4
Memoir - 4
Sports - 3
History (recent as well as past and both biography and otherwise) - 11
Self-Improvement (a very broad definition and including both memoir and otherwise) - 13
In terms of favorites, below are the ones that were the most memorable for me, whether due to the writing, the topic, or both... with the hyperlinks for each to my writeup on the book:
Memoirs:
Lab Girl by Hope Jahren
Paul and Me by A.E. Hotchner
Shoe Dog by Phil Knight
History:
The Stranger in the Woods by Michael Finkel
Killers of the Flower Moon by David Grann
Self-Improvement:
10% Happier by Dan Harris
Anything You Want by Derek Sivers
The Subtle Art of Not Giving a F*ck by Mark Manson
Tools of Titans by Tim Ferriss
Smarter Faster Better by Charles Duhigg
The Power Paradox by Dacher Keltner