Book properties is one of the most books written in philology and philosophy, and the secrets of the Arab and its proceedings, co-authored son reap, who says in the introduction to his book with him: «book did not remove the Vart course, and the aging time, observing him, Akef thought it, gravitated opinion and Ruwayyah him and Ada that I neglected Oqilh it, or something wrong Ortgah work, and time is getting Bnoade narrow, nor Anahj to getting Started way, with this Aazama him, and Aasama reasons entrusted to him, and I think, where it oversaw the class in the science of the Arabs, and Ozhbh in the way of measuring and consider .. and Ojmah for evidence of what deposited by this noble language ... ».
It discusses the son reap in this book the structure of language and jurisprudence and its origins, and the book begins door to discuss the inspirational and Astalahitha language, the display cases of the assets of Language: Kalkies, and approbation, and illnesses, and the truth and metaphor, and presentation and delays, assets and branches, and concluded with a speech about the Arabs mistakes and lapses scientists. Fatah son taking this book in Arabic doors to new study.
I dedicate this book to the sultan Baha state Albuehi and printed for the first time in Egypt in 1913, but the book and the time did not fully published. Then the book's full investigator at the hands of Muhammad Ali Al-Najjar in 1955.