The Art of Insight in Science and Engineering: Mastering Complexity [pdf]

Please add a [2014] tag on it. The same book was posted first in 2014 then again 2016. Needless to say, a fantastic read. 2016 - https://news.ycombinator.com/item?id=12459216 2014 - https://news.ycombinator.com/item?id=8654824