In more recent years, books by Marshall Govindan, such as Babaji and the 18 Siddha Kriya Yoga Tradition, have gained popularity. These texts explore Babaji's connection to the South Indian Siddha tradition, linking him to legendary figures like Agastya and Bogar. These works often provide more biographical "data"—such as his birth name, Nagaraj, and his childhood in Tamil Nadu—which offers a different perspective than the North Indian Himalayan accounts.
If you are researching this subject, these are the most authoritative and well-known titles: mahavatar babaji books pdf
Here is informative content regarding and the availability of books about him in PDF format , including guidance on how to access them legally and ethically. In more recent years, books by Marshall Govindan,