Synopsis The book underlines the importance of collection building in libraries and looks into its various phases, such as distributed vendors of books, resource sharing and co-operative collection building, legal issues, censorship, intellectual freedom and finally discusses its future. In order to render the best possible efforts to strengthen the library collection building in libraries in terms of its quality so that the effectiveness of the library use it's maintained in all times of come. The book "Collection Building in Libraries" gives wide outlines for working librarians to plan their job. The book contains nine chapters-Distributors and Vendors, Fiscal management, What is Deselection, Evaluation, Cooperative Collection development and resource Sharing, Protecting the Collection, legal issues, Censorship, Intellectual freedom, and Collection development, and Epilogue: The future of Collection development.