The Book entitled "Karnataka Public Library System in India: A case with Koppal District" is outcome of a survey conducted in Koppal district, Karnataka, India. The work discusses the concept and historical development of public library system in Karnataka. The survey is conducted for knowing the existing public library system in the Koppal district; it indicates the public library system in Karnataka as a whole. In this work discussion has made for the District central library, Branch libraries and Grama Panchayat libraries and other libraries like slum library, tribal libraries, children libraries etc. finally the study is made some suggestions for the improvement existing public library system for Karnataka has a whole, Koppal district in particular.