Complex sentence: Indradyumna Swami shares his experiences and realizations as a traveling preacher in a journal "The diary of a traveling preacher" now in its eight volume and published each year as a book.
Split into simpler sentences: Indradyumna Swami shares his experiences and realizations as a traveling preacher in a journal "The diary of a traveling preacher". Now in its eight volume the journal is published each year as a book.