What are the primary themes and events discussed in Chapter 42 of the Sai Satcharitra?

Chapter 42 of the Sai Satcharitra primarily serves as a transition from recounting past miracles to narrating the profound event of Sai Baba leaving his physical body. The chapter begins with invocations and praise for the Sadguru, highlighting how remembering the Guru's feet can remove worldly fears and lead to liberation. As stated in Chapter 42, the narrative promises to describe Sai's nature and then provides a detailed, solemn account of his Mahasamadhi, noting the immense blessing the people of Shirdi had in enjoying his company for over half a century before this significant day.