According to Chapter 52, what was the origin and purpose of the book 'Sai Leela'?

Chapter 52 explains that the book "Sai Leela," also known as the Satcharitra, was created to remember the experiences Sai Baba gave to His devotees while He was in His body. The text is described as supremely holy, containing stories of His true character that provide enlightenment for this world and the next. It's also mentioned that Sai Baba Himself inspired the book after His departure and had chosen Hemadpant, despite his lack of specialized knowledge, holding his hand to get this true life story written for the salvation of His devotees.