I'm looking for guidance on my own spiritual path. Can you detail the specific Upanishads or Vedanta texts that Maharaj gave discourses on?

The provided text explicitly states that this was not Maharaj's method of teaching. Chapter 0 clarifies that 'Maharaj did not openly explain profound Vedanta subjects or give discourses on Upanishads.' His approach was different; his advice was primarily ethical in nature. The purpose of this, as described in Chapter 0, was to purify the disciple's ground before sowing the seed of higher knowledge, which is considered the proper practice for a Sadguru. The most valuable guidance was said to be received from him in the form of direct experience, rather than through formal philosophical lectures.