Summary: In this original text/reference, Bela H. Banathy discusses a broad range of design approaches, models, methods, and tools, together with the theoretical and philosophical bases of social systems design. he explores the existing knowledge bases of systems design; introduces and integrates concepts from other fields that contribute to design thinking and practice; and thoroughly explains how competence in social systems design empowers people to direct their progress and create a truly participative democracy. Based on advanced learning theory and practice, the text's material is enhanced by helpful diagrams that illustrate novel concepts and problem sets that allow readers to apply these concepts.