This monograph presents a variety of approaches to the practical problem of introducing change into law enforcement agencies. The papers deal with changing the rhetoric of "professionalism," political factors affecting public safety communications consolidation, the climate for change in three police departments (college, suburban, and capital cities), some observations on the change process in the police field, police manpower scheduling by computer, changing urban police, demonstration projects, development of a model career path system for police, and the four day/forty hour work week. Charts, diagrams, and bibliographies are included. (KP)