Why are some biographical works, such as those by Shri Dasganu Maharaj, not considered ideal for a focused Parayan or Saptah?

While one can perform a devotional reading (Parayan or Saptah) of the complete works by poets like Shri Dasganu Maharaj, such as Shri Bhaktalilamrut, these are not considered suitable for a detailed study of a single saint's life. Chapter 0 clarifies that the individual biographies within these larger collections are often not comprehensive or detailed, sometimes spanning only two or three pages. For a dedicated Parayan focusing on one specific Guru, a more extensive, detailed, and comprehensive biographical work is deemed necessary.