What is the primary purpose and significance of the book 'Sai Leela' or 'Sai Satcharitra' as outlined in its final chapter?

Chapter 52 provides a retrospective review, clarifying the book's purpose. It explains that the book, referred to as "Sai Leela," was created to remember the experiences Sai gave to His devotees while He was in His body. Described as supremely holy, it contains the sacrificial session of stories about His true character. The chapter emphasizes that reading this life story of the Guru provides enlightenment for both this world and the next. Furthermore, it suggests that taking a holy bath in the Godavari, having darshan of the Samadhi, and then listening to this Satcharitra will calm the three types of afflictions, highlighting its spiritual potency.