Are there specific texts recommended for group study to foster a community of Sai devotees?

Yes, the source material highlights the importance of using a comprehensive and detailed biography for group study and Parayans. While early works by poets like Shri Dasganu Maharaj exist, Chapter 0 explains they are not detailed enough for this purpose. The preface points to two exceptional works in Maharashtra suitable for Parayans and Saptahs. For devotees of Sai Baba, the recommended text is the "Shri Sai Satcharita," written by the late devotee Shri Govind Raghunath alias Annasaheb Dabholkar. This biography is described as sweet, inspirational, and grace-filled, and it is considered the preeminent detailed work for Sai devotees to study collectively.