Social network analysis is a crucial method in the understanding of human behavior. It is currently growing at an extremely rapid rate and has become a major focus of teaching and research—not only in social science departments, but in computer science, physics and in business schools. This four-volume set is brought together by Linton Freeman, founder and editor for 28 years of the key journal in the field, Social Networks. He has collected the very best published work on social network analysis, covering of over forty years of journals and books. It is a key addition to the SAGE Benchmarks in Social Research Methods series. Volume I: Data, Mathematical Models and Graphics Volume II: The Structure of Social Groups Volume III: The Structure of Social Positions Volume IV: Antecedents and Consequences of Network Structure