The author, Dr.P.V.S.Suryanarayana Raju is a pediatrician from Andhra Pradesh, India, born on 12th December 1950. He has been working on the subject of self-inquiry for the past 30 years under the living Presence and guidance of Osho and Ramana Maharshi which he discovered 30 years ago in Ramanasramam. He met Osho personally in 1987 and 1989 in whose presence there happened radical transformation of being.He is a frequent visitor to Ramanasramam and out of gratefulness to Bhagawan he has written many books analyzing his teachings and these are some of them: The Art of self-enquiry, Alpha and Omega of self-inquiry, The essence of self-inquiry part 1 & 2, Insights in self-inquiry Part 1 & 2, Theory of self-inquiry, The Practice of self-inquiry, The theory and Practice of self-inquiry, The comprehensive book on self-inquiry, Know Thyself, He also wrote self-inquiry quotes in two volumes,commented on "who am i", Upadesa saram,Bhagavad Gita, self-inquiry in Bhavad Gita,Beyond Religion, The Art of living and all are products of his own experience. He has also written many books on Self-inquiry in Telugu which include "Nenevadanu? which is a commentary of his on "who am i" in Telugu, Nija Vicharana and his most recent books in Telugu Vichara Chudamani, and Vichara Chandrodayam which mainly deal with the practical aspect of self-inquiry and he explains in them why self-inquiry is a direct and easy way for realizing the Self. He also wrote self-inquiry in Bhagavad Gita in 3 volumes, Bhagavad Gita commentary vol1, The essence of Bhagavad Gita, Beware of structure of society-it enslaves you, Gold nuggets, Inner conflict leads to outer disorder, Integral self-inquiry, Self-inquiry is the Art of comprehending the self activity, Self-inquiry is the Art of being with your Self, Self-inquiry quotes of Dr.Raju and most recently, A B C of spirituality,The genesis of self-inquiry,Self-inquiry-The science of soul,Pathless path-The Golden path of self-inquiry, Introduction to self-inquiry,Original facelessness,Awareness-The means and goal of self-inquiry,Despair to bliss-The message of Bhagawad Gita,New man is emerging with a new way of life,Self-inquiry is the Art of being with your Self,The Sage and the scientist,and sadguru Sri Nanna garu.