This will be a handy book for me to hold onto, but I wouldn't buy it as my intro to Critical Friends or NSFR protocols. The protocols are powerful tools for facilitation, but I would just choose another entry point--like the website...
As a facilitator of adults, I want to improve my facilitating and know how to "move" comfortably from one portion of a protocol to another and ask probing questions off the cuff that keep the conversation moving forward. Gene Thompson-Grove is the protocol guru in Brookline. I am studying her techniques and am awed by the ease in which she keeps any group moving forward to delve deeply into one's practice. This book did not help me as I hoped it would. I think that "observing" more groups will eventually help me ask the pertinent questions...