https://web.archive.org/web/20140708094114/http://www.chesscafe.com/text/review545.pdf
http://www.jeremysilman.com/shop/pc/Inner-Game-of-Chess-The-77p3897.htm
https://chessbookreviews.wordpress.com/tag/inner-game-of-chess/
Two books by Andrew Soltis
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I am interested in two books by Andrew Soltis:
1st seems to be more about chess thought process while 2nd about calculation but these topics are overlapping so much that I was wondering if somebody could share their opinion about these 2 books and how they compare.