Especially since you don\’t have to buy the book, you can just read the original papers.
The question being asked is of course the most important one in economics: and quite possibly in all of the social sciences.
Why are some places shitholes and some places not, given that we all started with roughly the same people, abilities and attributes?*
*Well, given enough time we all started out in pretty much the same place, Olduvai Gorge or some such.