When the Kitab Sirr al-Asrar reached Europe via Spain in the 12th century, it was translated into Latin as the Secretum Secretorum . This version became a bestseller. Medieval scholars like Roger Bacon (1219–1292) revered it, believing it to be the genuine work of Aristotle.

Downloading the PDF is only the first step. This is not a casual read. Here is a practical guide to approaching the text: