A section of Al-Idrisi's world map from 'Alî ibn Hasan al-Hûfî al-Qâsimî's 1456 copy. According to the Bibliothèque nationale de France, Ten copies of the Kitab Rujar or Tabula Rogeriana exist  today. Of these, six contain at the start of the work a circular map of the world which is not mentioned in the text of al-Idris. Note that south is at the top of the map.