Authored by Prof. Dr. Abdul Qader Abdul Jalil, this scholarly work delves into the intricate linguistic framework of the Bahili dialect, a significant ancient Arabian dialect. The book provides a comprehensive analysis of its phonological, morphological, and syntactical features. It serves as an essential resource for linguists, historians, and researchers specializing in Arabic dialectology and the history of the Arabic language, offering valuable insights into the evolution and unique characteristics of tribal dialects. This study meticulously documents and preserves a vital part of Arab linguistic heritage, making it a cornerstone for future research in historical linguistics.