Book

https://www.google.com/search?q=divya+janani+datta

His Guru

One of Sage Veda Vyasa’s disciples was Dattatreya.

The greatness of Dattatreya

The greatness of Dattatreya lies in the fact that he never called himself a teacher and always introduced himself as a student.

Dattatreya / Images

http://en.wikipedia.org/wiki/Dattatreya
http://images.google.co.in/images?hl=en&source=hp&q=DATTATREYA