The book is divided into four parts. Part I deals with "Western admirers of Sri Ramakrishna", Part II with "Western admirers of Sri Sarada Devi", Part III with Western admirers of Swami Vivekananda", and Part IV with "Western admirers of the other disciples of Sri Ramakrishna"
If there is no strength in body and mind, the Atman cannot be realized. First you have to build the body by good nutritious food -- then only will the mind be strong.
-Swami Vivekananda