Rethinking Systems Analysis and Design    by Gerald M. Weinberg
Price: $9.99 USD. 57160 words. Published on June 3, 2011. .
Systems analysis and design have solved many problems, but they have also created many problems. This unique book tackles crucial analysis and design issues that are glossed over in conventional texts. It recognizes that while many problems are solved with systems analysis and design, many problems are also created.

Passive Regulation: General Systems Design Principles    by Gerald M. Weinberg
Price: $9.99 USD. 61070 words. Published on June 3, 2011. .
Passive Regulation is Volume 2 in the General Systems Thinking series that begins with the world-wide best-selling, An Introduction to General Systems Thinking. (also available in ebook formats) That first series volume focused on the question,"Why do we see what we see?" This second books tackles the next question, namely "Why do things stay the same?"

Active Regulation: General Systems Design Principles    by Gerald M. Weinberg
Price: $9.99 USD. 65680 words. Published on June 6, 2011. .
Active Regulation is Volume 3 in the General Systems Thinking series that begins with the world-wide best-selling, An Introduction to General Systems Thinking. (also available in ebook formats) That first series volume focused on the question,"Why do we see what we see?" The second and third books tackle the next question, namely "Why do things stay the same?