Why is it important to have a detailed and comprehensive biography like the Shri Sai Satcharita for devotional practices, as opposed to shorter works?

The source material in Chapter 0 emphasizes the importance of detailed biographies for devotional practices like Parayans and Saptahs. While poets like Shri Dasganu Maharaj included biographies of saints in works such as Shri Bhaktalilamrut, these were often brief, spanning only a few pages. Such short accounts are considered not comprehensive or detailed enough for a dedicated Parayan or Saptah. In contrast, a detailed, poetic, and comprehensive work like the Shri Sai Satcharita allows for deeper study and engagement, enabling devotees to fully immerse themselves in the Guru's life and teachings, thereby fulfilling the purpose of this specific form of Guru service.