Abdul Hakim Al-Kaabi's "The Genesis of Arab Civilization" delves into the pivotal role of Arab tribes in the formation of early Islamic urban centers. Focusing specifically on Basra and Kufa during the first Hijri century, this book offers a meticulous examination of how these powerful tribal groups shaped the nascent civic and social structures of these significant garrison cities. It explores their migration, settlement patterns, political influence, economic contributions, and cultural impact, highlighting their transformation from nomadic lifestyles to integral components of an emerging urban society. Al-Kaabi's work provides crucial insights into the complex dynamics of Arab urbanization and the foundations of Islamic civilization in its earliest stages, shedding light on the socio-political landscape of the period.