The author of the monograph sets out and analyzes the history of South Arabia (Yemen) V - X centuries. N e., traces the nature of the changes that took place in Yemeni society on the eve of Islamization and after it. The book is characterized by the dynamics of the relationship between nomads and the settled population, the struggle within the ruling stratum, the formation of Yemeni ethnocultural identity, as well as the struggle of various religions (Judaism, Christianity, Islam, indefinite monotheism) and religious movements of Islam (Ismailism, Zaidism, Sunnism), etc.