 It is estimated that `Abdu 'l @-@ Bahá wrote over 27 @,@ 000 works mostly in the form of letters of which only a fraction have been translated into English . Among the more well known are The Secret of Divine Civilization , the Tablet to Auguste @-@ Henri Forel , and Some Answered Questions . Additionally notes taken of a number of his talks were published in various volumes like Paris Talks during his journeys to the West . 
