It’s been four years since – sadly – Gerald M. “Jerry” Weinberg passed away. Ever since then, I struggled with some public mourning about him, until recently I had just the right idea. On a weekly basis, I will publish a review of a book I read that Jerry either wrote himself or is about some of his work. Today, I picked An Introduction to General Systems Thinking in its 25th-anniversary edition published by Dorset House Publishing in 2001, the original being published in 1975.