Graham Mummery
In the prefaces to the current book,
Spiral Dynamics in Action: Humanity’s Master Code (Beck, Larsen, Solonin, Viljoen, Johns 2018), the authors and editors explain that this is a successor to the earlier work Spiral Dynamics: Mastering Values, Leadership and Change (2006). This is very much the case in that it updates some of the discussions because of further work done by those in the Spiral Dynamics community. The authors suggest reading …