Description of the planning of a project designed to test the feasibility of distributing a statewide union catalog database on optical disk discusses the relationship of the project's goals to those of statewide library development; dealing with vendors in a volatile, high technology industry; and plans for testing and evaluation. (EM)

Describes and evaluates a project which examined the feasibility of converting the University of Illinois' ILLINET Online Union Catalog to optical format, allowing users across the state to search the database using microcomputers. The evaluation focused on the impact on interlibrary loans and on the reactions of librarians and users. (CLB)