4to. 48 pp., Arabic lithographed text within border, modern hard back binding, paper slightly browned, some foxing affecting title page & last few pages, otherwise in general good condition, al-Matba’a al-Maimaniyah, Cairo, 1307 A. H./ 1889.

Synopsis

The author of this work is Athir al‐Din al‐Mufaddal ibn ‘Umar ibn al‐Mufaddal al‐Samarqandi al‐Abhari, also known as Athir al‐Din al‐Munajjim (d. in 1265 or 1262). He was a philosopher, astronomer, astrologer and mathematician. Other than his influential writings, he had many famous disciples.