The book of grammarians and linguists is an authentic reference for the translations of grammarians and linguists, from the era of Abi Al -Aswad Al -Dawali in the forefront of Islam to the era of his Sheikh Abdullah Al -Riahi, the imam of language and grammar in Andalusia in the fourth century. The ancient scholars knew him, and they conveyed texts in their books, and they studied it in their schools; It was quoted from Al -Fardi in the history of the scholars of Andalusia, and the sapphire in the dictionary of writers, Al -Kafti, the narrators' angel, Al -Suyuti in the way of consciousness, Al -Maqrizi, in Al -Maqafi, and others; But in recent times, he remained blocked from scholars and researchers