Weinberg books are full of wisdom. Systems Thinking is at the core of his ideas. You can find almost all of his books in LeanPub at a very accessible price: htt

Weinberg books are full of wisdom. Systems Thinking is at the core of his ideas. You can find almost all of his books in LeanPub at a very accessible price: https://leanpub.com/u/jerryweinberg https://leanpub.com/u/jerryweinberg If you are outside the USA, probably the kindle edition will be cheaper.