social classes
social mobility
slavery (Abbassids)
muslim merchant status
Islam trade network
sakk/check
manufactured goods
agricultural technology
idol worship
arabesque
calligraphy
Rabiah al-Adawiyya
Firdawsi
Omar Khayyam
Rubaiyat
The 1001 Nights
elementary education
Ibn Rushd
Ibn Khaldun
al-Khwarizmi
Algebra
Muhammad al-Razi
Ibn Sina
Canon on Medicine