Succesful Islamic Dawah:The Role of Life,Charactor and seerat of Sahaba (companion of prophet)

The article has been written by Shaikh Abul Hasan Ali Nadvi Great Islamic Scholar of last century the writer of the books like
1.Islam and the world (Insani Dunia Par Musalamanon ke uruj o Zawal ka Asar)
2.Sviors of Islamic Sprit Series vol 1-5.(Tareekh e Dawat O Azeemat) 
3.The Tragedy of Arab World 3
He is well reputed in Arab World and whole Islamic World.
His special area was Islamic Revival and Dawah Work,current Islamic Trends
He was also king Faisal Award winner, President of Oxford Islamic Center,Former President of All India Muslim Personal law board.