What are the spiritual merits and benefits for both the author and the readers of a detailed Guru biography?

The study of a detailed poetic Guru biography offers profound benefits. As Chapter 0 clarifies, by writing the biography, the author performs a direct form of Guru service. Furthermore, when other devotees study and perform Parayans of that work, the writer gains the additional merit of serving God in humanity (Jan-Janardan) and performing a valuable public service. For the devotees who read and study the biography, Chapter 0 states that this devotional act helps them to achieve the ultimate purpose of their lives, making it a spiritually rewarding practice for everyone involved.