Fritz B. Simon, psychiatrist-turned-management consultant (sic!) is a prolific author of highly legible books bringing together systems theory and real life practice. His Introduction to Organisational Systems Theory (my -slightly inaccurate- translation of the German title, Einführung in die systemische Organisationstheorie) is delightful to read, but so condensed that any attempt to summarise it would fail. I just want to share a couple of highlights...