Al Assass Fi as Sarf (explanation simple, clear and pedagogic)

Here is a book of Sarf (grammar / morphology) for beginners, with a clear and accessible and very simple explanation, all within an affordable style and a very contemporary methodology.

The Matn basis for this Sharh is the famous Matn al-Binaae fi 'Ilm asSarf which is a classic.

Is at the end of the book a poem of 90 verses on Sarf.

This poem and the matn of Sarf are 100% harakat, but not the explanation.