Danny genie in the letters of meanings

A book on linguistics and grammar, the governor of Africa, Mu''az, has ordered the famous grammatical casual to compose a book in which he collects all other letters and that he intended in his authorship to explain the letters that came to the meaning and that what he wrote from that on the letters of the dictionary, so he gathered the Mafraq in the precious books of this meaning, He came as a very accurate and beneficial book, and Ibn Hisham claimed that he was the author of this idea as they were a contemporary, but Al -Qazar died in 749 while Ibn Hisham was written in 756, so this book would be the first thing that he wrote in its subject and the most important. The book came to be investigated and with important footnotes