What makes a text suitable for building a community through group study and Parayans, and how does the Shri Sai Satcharita fit this description?

According to the source, a text suitable for community building through Parayans must be a detailed, poetic, and comprehensive biography of a single saint. Chapter 0 contrasts this with works where a saint's life is only briefly covered. It highlights the Shri Sai Satcharita as a prime example of a suitable text, describing it as a 'sweet, inspirational, and grace-filled biography' written by Annasaheb Dabholkar. Its detailed nature, published chapter-by-chapter over six years, makes it one of the very few works considered ideal for Parayans and Saptahs, which are collective devotional practices that strengthen the bonds between devotees.