“Clearly written, well organized, and practical, we predict this will quickly become the ‘standard’ Enneagram coaching book for years to come.”
Don Richard Riso and Russ Hudson, bestselling authors of Personality Types and The Wisdom of the Enneagram

Henry Frederick Baker (1866-1956) was a renowned British mathematician specialising in algebraic geometry. First published between 1922 and 1925, this six-volume work provides a detailed insight into the geometry which was developing at the time of publication. Volume 1 describes the foundations of projective geometry.

I am quite honored that the authors of this book asked me if I could write the foreword. They have a long and concrete experience in implementing business processes, and we have interacted together in the context of telecommunication operators, where they delivered successful business process implementation.