Dr. Samuel Sandweiss, in his thought-provoking book on Bhagavan Sri Satya Baba, has opened up three main avenues of communication: a fascinating narration of his own experiences with Baba; his probe, as a psychiatrist, into the roots of psychiatry and his consequent discovery that what passes as psychiatry is an incomplete science and that quite essential additions have to be made to it from the field of spiritual awareness to make it truly effective; and the reproduction, from Baba’s writings and speeches, of passages which are regarded by Dr. Sandweiss as key passages for an exploration of Baba’s teaching.
https://www.amazon.com/Sai-Baba-Holy-Man-Psychiatrist/dp/0960095810