This academic study by Dr. Abd al-Jawad al-Baydhani meticulously explores the grammatical efforts embedded within Arabic lexicographical dictionaries. The book delves into how ancient and modern lexicographers addressed complex grammatical issues, including syntax, morphology, and inflection, within their entries. It highlights the methodologies used to integrate grammatical rules and analyses into the fabric of the lexicon, demonstrating the inseparable link between grammar and lexicography. This work serves as an essential reference for specialists in Arabic linguistics, offering a profound analysis of the grammatical foundations that underpin the most significant Arabic dictionaries throughout history, providing critical insights for researchers.