"The Goal" by Eliyahu Goldratt, and other of his books are great books to learn how to think. It is a more concrete example of Systems Thinking that is applied

"The Goal" by Eliyahu Goldratt, and other of his books are great books to learn how to think. It is a more concrete example of Systems Thinking that is applied to various environments, manufacturing in "The Goal", marketing and strategy in "It's Not Luck", projects in "Critical Chain", retail in "Isn't it Obvious", and personal improvement in "The Choice".