Based on Chapter 52, what is the stated purpose of the book "Sai Leela" and who was chosen to write it?

Chapter 52 explains that the book "Sai Leela," also referred to as the Satcharitra, was written to remember the experiences Sai Baba gave to His devotees while He was in His body. The text describes the book as supremely holy and a collection of His true stories, providing enlightenment for this world and the next. It is explicitly mentioned that despite having countless followers, Sai Baba chose Hemadpant, who was described as being devoid of specialized knowledge, to be the instrument for this work. The chapter clarifies that Baba held his hand and caused this true life story to be written.