The World According to Muhammad al-Idrisi, ink on vellum - For The Race for Paradise: An Islamic History of the Crusades, Oxford University Press
Written by Paul M. Cobb, professor of Islamic and Middle Eastern history at the University of Pennsylvania
This is based on a well known map by Muhammad al-Idrisi, a geographer and cartographer during the time of the Crusades.
Many maps made during this time were upside down, with south at the top! Click Here to see the original map.