This book is the Comprehensive Life history of the Greatest Saint, Sri Shirdi Sai Baba.
Sri Shirdi Sai Baba is the "5th Datta Avatara" (5th Incarnation of Dattatreya) and is claimed by Pujya Master E.B. as Matchless and Complete Dattavatharam (Advitheeya, Poorna Dattavatharam).