The results of the second 18 months (December 15, 1968-June 30, 1970) of effort toward developing an Information Processing Laboratory for research and education in library science is reported in six volumes. This volume contains: the introduction and overview, problems of library science, facility development and operational experience. One purpose of this volume is to clarify why an on-line laboratory for education and research in library science is desirable. The three major sections deal with: problems of education in library science, the organization of the laboratory, and the operation of the laboratory. (Other volumes of this report are available as LI 003608 through 003611). (Author/NH)