A book called “Siksa-guru,” by Sivarama Swami, is an excellent (GBC mandated) explanation about the position of Siksa-guru relevant to ISKCON. Words from the Preface, written by Badrinarayana dasa state: “My conviction is that the principles and points presented in The Siksa-guru should be a part of every new devotee training program and a mandatory study course for the bhakti-sastri degree program.” Details: published by Sivarama Swami and The Bhativedanta Institute, Hungary. ISBN#=963 03 6650 9. Available through Krishna Culture for US$12.00 (www.krishnaculture.com)