The Structure of Magic
The Structure of Magic: A Book About Language and Therapy (Book 1)
The Structure of Magic: A Book About Communication and Change (Book 2)
Okay, so if this looks oddly familiar to you because you were just talking about it today, that is because I couldn't help but overhear a couple of (I think) lawyers talking about KM on the subway and one of them mentioned reading this publication. Which, therefore, would be you. I had to, of course, rush right home and look this up.