A Collection of Biographies of 4 Kriya Yoga Gurus by Swami Satyananda Giri

A Collection of Biographies of 4 Kriya Yoga Gurus contains the following four books originally written in Bengali:
1) Yogiraj Shyama Charan Lahiri Mahasaya: A Biography by Swami Satyananda Giri
2) Yogacharya Shastri Mahasaya: A Short Biographical Sketch of Hansaswami Kebalanandaji Maharaj by Swami Satyananda Giri
3) Swami Sriyukteshvar Giri Maharaj: A Biography by Swami Satyananda Giri
4) Yogananda Sanga: Paramhansa Yoganandaji As I Have Seen and Understood Him by Swami Satyananda Giri
The collection also contains:
"Kriya Quotes", excerpts of an interview with Swami Satyananda.
Translated into English by Yoga Niketan. 313 pages.