The very first edition of this book was published in the Marathi language, later the English edition was published in the year 1944 by Shri. Govind Raghunath Dabholkar alias Hemadpant.
Sai Satcharita is originally authored by Shri. Interested who wants to listen Sai Saicharitra Audio in Tamil check out the link.
Sai Satcharitra Tamil – Download Chapter 1