The publication is concerned with the practice of community development and those principles, assumptions, and values which guide the methods and procedures used in the field. It is divided into two parts. The first part discusses the theory of practice -- assumptions, values and beliefs, and principles. The second part deals with the practice of theory -- direct interaction with individuals and groups; community self surveys; community self studies; group discussion and decision making workshops; use of resource people, use of resources other than people; presentation of data and information; creation of organization; group participation and group selection; and methods combinations. Ten case examples are included. (PT)