Despite my aim to keep this list purely about math books, I cannot help but include this one in the list. Simply put, it's one of the most enjoyable textbooks I've ever read, giving a very satisfying first-principles understanding of what thermodynamic concepts like temperature and entropy really are, and how we can to understand them.
His Book recommendations page, introduced as "a small list of textbooks I've thoroughly enjoyed at some time in the past, with the added condition that each one stands out in some way from the surrounding body of math texts". The cover images link to Amazon through amzn.to short links that resolve to URLs carrying the affiliate tag 3b1b04-20.
2020-06-01·3blue1brown.com ↗