They are organised into six books first compiled by one of the greatest Druze sages 'Abd-Allah Al-Tanukhi in 1479 AD.[1] According to oral traditions there were originally twenty-four books. Eighteen are reasonably assumed to have been lost, hidden or destroyed. Epistle number six is dated earliest and was written in July 1017 AD by Hamza ibn-'Ali ibn-Ahmad and he is specifically mentioned as the author of thirty more epistles in the first two books.