Kitāb nuzhat al-mushtāq fī ikhtirāq al-āfāq

…of descriptive geography, known as Kitāb nuzhat al-mushtāq fī ikhtirāq al-āfāq and also as Kitā Rujār, or Al-Kitāb al-Rujārī (“The Book of Roger”). In compiling it, al-Idrīsī combined material from Arabic and Greek geographic works with information obtained through firsthand observation and eyewitness reports. The king and his Muslim geographer…