At the conceptual level religion and faith are almost identified. Spiritual doctrines and explanations are the products of man’s search for notions and definition. Our very psyche wants to grasp the recondite principles of the religious concepts and spiritual experiences. The work at hand gives a microscopic glimpse of mankind’s ever expanding awareness of the inner mind. It is encyclopaedic in the sense that a reader can use it most confidently as a reference book. It gives a panoramic view of man’s spiritual thinking at different ages at different regions. This comprehensive treatise has a tone of finality. A perusal of the work is sure to change a readers’s attitude toward the followers of other faiths. At a pragmatic level, it will give him certitude and confidence in everyday communication with others too. The works cover all religions, modes of thinking and diverse interpretations of numerous faiths. Besides these, it also gives a deep insight into values and norms of the entire humanity. It will enable a reader to find out for himself how and why certain religions and religions concepts grew up in some particular regions. Not only this but also he will realize the fact that amongst all this diversity is present a universality too. This subtle intellection it the legacy of the human beings. Despite all bound by and invisible element of oneness. In sum, this great work will enrich a reader. Make him catholic in spirit. Help him grasp the complete gamut of our spiritual heritage. There is no gainsaying that all polarity exists at the surface level.