It is a fascinating book that looks at the causes and cures of paranoia. On the whole, this book feels quite personal. The author has spent most of his career treating paranoia as something that can be helped rather than a symptom of existing mental illness. His ideas were interesting, and the experiments novel. The use of virtual reality to help understand people's perception of themselves and others was a particular favourite. This book has answers, too. Practical advice on how to manage levels of mistrust. All in all, an excellent book.