Kitab al-Hadi fi Qir’at al-Sab’a (2 vol) كتاب الهادي في قراءت السبع (Arabic-Hardcover)

This is work covering the differences in the seven modes of readings of the Qur’an, by Muhammad ibn Sufyan al-Qayrawani (d. 415 AH).

This work was also  important source of Imam Ibn al-Jazari. A excellent 2 volume/ 2 color edition with also  critical editing by Dr. Yahya al-Ghawthani.