This book is a compilation from the various published works of the Holy Master Sri Swami Sivana-nd, including some of his earliest works extending as far back as the late nineteen thirties. The questiona & answers in the pages that follow deal with some of the commonest, but most vital, doubts raised by practising spiritual aspirants.What invests these answers & explanations with great value is the authority, not only of the sage's intuition, but also of his personal experience. Swami Sivananda was a sage whose first concern even firet love, shall, we say, was the spiritual seeker,the yoga student. Sivananda lived to servd to serve them: & this priceless volume is the outcome of that Seva Bhav of the great Master We do hope that the aspirant world will benefit comsiderably from a carusal perusal of the pages that follow & derive rare guidance & inspiration in their struggle perfection. May the Holy Master's divine blessings be upon all.