What has been the best book you ever read on stuttering that also helped reducing stutter massively?

What has been the best book you ever read on stuttering that also helped reducing stutter massively? Hey all, I've (m32) had a pretty severe stutter since early childhood. Possibly due to trauma. Quite hectic upbringing and been bullied at school lots before it appeared. It started when I was about 7 years old. I'm curious what books you would recommend, one that you feel has massively helped you with speaking more fluently and relaxed. I feel like asking for a 'cure' might be too much, but I'd like to give it a shot. Like it is for many of you, it has been a crippling 'disorder' and influences/influenced my life in almost every aspect. A few years ago, I developed an acute panic disorder due to a health scare.(nothing stuttering related) It quite literally began overnight and for months I thought I was dying. Not because I had a real health problem - thank god - but because I bought into the belief that I was dying and was fearing new panic attacks, which felt absolutely horrendous. I thought I'd never recover, until a friend gave me a book that quite literally helped me recover from the panic disorder. For me, this was a lifechanging book. This makes me wonder if there are books that are deemed "highly valued" in this community, that helped people massively with their speech? Also, could you describe how it helped you? Thank you kindly. Also: Videos are also welcome!