Nuzhat al-Mushtaq fi ikhtiraq al-afaq

A geographical book written by al-Idrisi for King Roger II in Sicily. It describes the seven climes and their cities, roads, seas, peoples, crafts and trade. It comes with a map of the world engraved on a silver plate. ¹

According to the author's own introduction, he completed it in Shawwal 548 AH. The date of composition here rests on the author's own statement and needs a further source. ¹