In this book is a collection of 130 talks that were given by Shri Siddharameshwar Maharaj, guru of Shri Nisargadatta Maharaj and Shri Ranjit Maharaj. The talks in this book were recorded and edited by Nisargadatta Maharaj and were originally published by him in two volumes in the Marathi language under the name of "Adhyatma Jnanacha Yogeshwar" in the years 1960 and 1961. The text was reprinted in the year 2000 at the insistence of Shri Ranjit Maharaj. Afterwards it was translated into English for this book, truly a modern day spiritual classic in its own right. Also included within the covers of this book is the text "Master Key to Self-Realization" which was authored by Shri Siddharameshwar Maharaj in the form of a methodical explanation of many fundamental principles of Advaita Vedanta and Self-Realization. The teaching found here helps the aspirant to form a solid foundation for understanding the fundamental principles of non-duality and in realizing one's True Nature.
Shri Siddharameshwar Maharaj was the disciple of Shri Bhauseheb Maharaj who mainly taught the path of Meditation as a means to realization. During his spiritual practice, Siddharameshwar Maharaj spent much of his time practicing meditation and reflecting on the teachings of great Saints such as Shri Samartha Ramdas, a renowned Maharashtran Saint of the 17th century (author of Dasbodh and Manache Shlok), as well as the teachings of Adi Shankaracharya, Valmiki and Vasisthta, and other great Saints such as Kabir, Tukaram, Eknath, (author of Eknathi Bhagwat), and others. After the passing away of his master Shri Bhausaheb Maharaj in the year 1914, Siddharameshwar Maharaj continued meditating on the teachings of his Master. In 1918, he renounced the world and joined four of his brother disciples to popularize his Master's teachings. In the year 1920 when he was on the tour of popularizing his Master's teachings, he got the idea that one could go beyond the path of many years of long meditation as a means for realization and that meditation is an initial stage to attain Final Reality. His brother disciples disagreed with Shri Siddharameshwar Maharaj, saying that their master, Shri Bhausaheb Maharaj has not told them this. He agreed with them, but stated, "Okay! Can one not go beyond that?" He left his co-disciples and returned to his home in Bijapur. While in Bijapur he meditated for nine months continuously without a break. Since his Master had taught him only meditation, he had no other