"30 Shades of Mind : As encountered by a Psychiatrist" is a book by internationally acclaimed psychiatrist and social activist, well known internationally for his tireless crusade against mental illness. This is a must read book to gain insights in to handling Obsessive Compulsive Disorder or OCD as it is more commonly known. In this book, Dr. Saha helps people understand the importance of this disease,how to diagnose it and how simple the treatment is and how to live with the disease