Can you tell me more about the author and original publication of the Shri Sai Satcharita as described in the text?

Certainly. The preface provides specific details about the creation of the Shri Sai Satcharita. As Chapter 0 states, the biography of Shri Sai Baba was written by the late devotee Shri Govind Raghunath, who was also known as Annasaheb Dabholkar. It is described as a sweet, inspirational, and grace-filled work. Its publication was a gradual process; instead of being released as a single book, it was published chapter by chapter over a span of six years in the 'Shri Sai Leela' magazine. The work was recently completed with a concluding chapter at the time this preface was written.