According to Chapter 52, what is the purpose of the book "Sai Satcharitra" and who was chosen to write it?

Based on the teachings in Chapter 52, the book, also referred to as "Sai Leela," was written to remember the experiences Sai Baba gave to His devotees while He was in his physical body. The text describes itself as a supremely holy work containing the stories of His true character. Interestingly, the chapter highlights that Sai Baba chose Hemadpant to be the author, specifically noting that Hemadpant was devoid of specialized knowledge and learning. It is stated that Baba held his hand and caused this true life story to be written, emphasizing the divine inspiration behind the work.