22: “Doppelganger: A Trip Into the Mirror World”, by Naomi Klein
Another one that I waited out thinking “eh, probably great but maybe I’ll pass” and then people I follow just kept citing it months and months later, so onto the pile it went. My first and not last Klein book, about significantly more than I expected.
https://www.goodreads.com/book/show/138505710-doppelganger