Highly recommended – books by Yoga Niketan.
Texts paint somewhat different picture about the story Yogananda shares in His book.

 

The Scriptural Commentaries of
Yogiraj Sri Sri Shyama Charan Lahiri Mahasaya: Volume 2

 

 

The Scriptural Commentaries of
Yogiraj Sri Sri Shyama Charan Lahiri Mahasaya: Volume 1

 

 

Kriya Yoga

 

 

A Collection of Biographies
of 4 Kriya Yoga Gurus