Chapter I of this study of the Arabian Ba'th Socialist Party discusses the evolution of Arab nationalism and concludes that Ba'th was a natural outcome of this evolution; two intellectuals supporting Arab nationalism were Party co-founders Michael Aflaq and Salah Bitar, Part One of Chapter II summarizes their lives to facilitate understanding of their thought and its impact on Ba'th; Part Two examines the Party's first convention (source of the Ba'th constitution), the reasons for it, and the necessity of establishing Ba'th; and Part Three outlines Ba'th ideology and organization. Chapter III analyzes Ba'th's promotion of Syrian-Egyptian union and that union's resultant adverse effect upon Party cohesiveness, The Conclusion discusses the groups into which Ba'th split after 1961 and their new interpretations of Ba'th ideology.