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

Chapter 52 explains that the book "Sai Leela," also called the Satcharitra, was written to remember the experiences Sai Baba gave to His devotees while He was in His physical body. It is described as a supremely holy text containing a "sacrificial session of the stories of His true character." The chapter further clarifies that the inspiration for this book came after Baba's Mahasamadhi, building upon the fame He Himself had narrated to His disciples. A key detail mentioned in this chapter is that Sai Baba chose Hemadpant, who considered himself devoid of specialized knowledge, to be the instrument for this work, holding his hand and causing this true life story to be written.