Customer Review

Reviewed in the United States on April 10, 2020
I found the book topic of real interest. Also author present very convincing arguments and data. However, it tends to go off the topic too far and too often and you end up reading many other authors arguments and analysis and philosophies that you did not ask for. Almost 60% of the book, although may be interesting, not necessary for presenting the primary argument of why we live in a world with far less violence.
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4.5 out of 5 stars
4.5 out of 5
1,640 global ratings