The book deals with all aspects of the paper Universe of Knowledge as prescribed in the curriculum of M.Lib.Sc. of Indian Universities. The book deals with the concept of knowledge, history and development of knowledge, its relation to Philosophy and Religion. Besides, the book also discusses in detail the development of Sociology and History as subjects. The ways of thinking about the knowledge e.g. Authoritative and scientific mode of thinking, research methods and Information dissemination techniques have also been discussed. All this has been done to make available all the scattered matter at one place for the use of M.Lib.Sc. students.