continent and lacks details of the Horn of Africa and Southeast Asia.

For Roger it was inscribed on a massive disc of solid silver, two metres in diameter.

On the geographical work of al-Idrisi, S.P. Scott wrote in 1904:

Al-Idrisi's work influenced a number of Islamic scholars including Ibn Sa'id al-Maghribi, Hafiz-i Abru, and Ibn Khaldun