Has anyone read Beyond Stuttering

Has anyone read Beyond Stuttering Recently I knew about this book "Beyond sttuttering" by Dave McGuire and most of the reviews were that this book helped a lot in overcoming stuttering. My stuttering started when I was in 5th std. Before that I was the fluent speaker in the class I used to read books out loud in 4th std, everyone was appreciating me. But then one day a fear of mam had me this stuttering and since then I stutter. I am now 21 but still this is there. I want to be better at speaking gonna try this book if anyone have read this, they can share their experiences it would help a lot.