Subject: Sociology? Self-help? But it’s listed as essays
Available formats: physical / ebook / audiobook (audiobook.jp+audible)
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Reason(s) for nominating: I’ve had this on my TBR for awhile after seeing it referenced by a few random Japanese people (probably on youtube but it’s been too long to remember) and audiobook.jp at least calls it a best seller. The tag line is 見えない「壁」がわかると世の中が見えてくる。気が楽になる。
and it seems kind of generally about the walls that divide people which I think is an interesting topic. It’s also fairly short at only 204 pages.