A summary of the final two-volume report of the Systems Development Project is contained in this document. The project was commissioned by the National Library of Canada to study and design an integrated information system for the library employing, where feasible, electronic data processing. Included are all of the recommendations of the final report, an analysis of the present situation, and activities of the National Library, a description and cost analysis of the proposed information system, implementation requirements, feasibility and advantages of the proposed system, and implications for other libraries and networks. Detailed supporting data, retrospective data, and data on internal problems contained in the final report have been omitted from the summary. (JG)