“Al-Qanun fit-Tibb” is an encyclopedia of medicine in five books written by

Al-Qanun fit-Tibb, a five-volume medical encyclopedia written by Avicenna (in the West known as Avicenna and in the Islamic world as Ibn Sina, or Abu Ali Hussain Ibn Abdullah Ibn Sina), was compiled around 1025. It was a medical reference book for centuries in the Islamic world and Europe, making it one of the most famous medical texts in the history of medicine.