What are the two major, detailed Guru biographies from Maharashtra that are highlighted as being suitable for Parayans?

Chapter 0 identifies two exemplary, detailed, and poetic Guru biographies from Maharashtra that are famous and well-suited for devotional study like Parayans and Saptahs. The first is the older text, Shri Guru Charitra, a sweet and graceful biography written by Shri Saraswati Gangadhar about Shri Samarth Sadguru Narsimha Saraswati Maharaj. The second, more recent work mentioned is the Shri Sai Satcharita, an inspirational biography of Shri Sai Baba of Shirdi written by the late devotee Shri Govind Raghunath alias Annasaheb Dabholkar.