I'd been hitting rut after rut in Eating Disorder therapy when my diagnosis was revised to that of BPD. Whether or not you agree with the label given to this disorder and whether or not your diagnosis is certain, if you're struggling with intense emotions this book is worth a go. Its a combination of analysis of the problem and a practical guide of how to regain control. I would NOT reccomend using it in isolation, whilst it provides a framework for recovery the book is only intended as a companion to professional help. Easy to understand with relevant sections on diagnosis, explanation and symptom management, I've found it very useful in my own life. The multi-impulsive nature of BPD means you need a broad approach that tackles the range of behaviours. This book is effective not least because the author appears to have a good understanding of this.