"Mutammimatu Al-Ajurumiyya", an excellent matn in the nahu for beginners, by Imam Shams Ad-Dîn Ar-Ra'ini Al-Hattâb رحمه الله.
It's here in a beautiful edition with all harakaat, with tahqiq (according to a manuscript and two old quality editions) and the commentaries of the author of Al Mumti 'fi Sharh Al-Ajurumiya.