How can devotees engage in service and build a community around Sai Baba's teachings through literature?

According to the preface in Chapter 0, a Sadguru accepts service from devotees in two primary ways involving books. One way is by having their biographies written, and the other is through the subsequent study and devotional readings (Parayans) of these works by the wider community of devotees. By collectively studying a detailed biography like the Shri Sai Satcharita, devotees not only perform Guru service but also gain the merit of serving God in humanity (Jan-Janardan) and public service. This shared practice helps individuals achieve their life's purpose and solidifies the community's bond through a common spiritual activity.