This is a short account of theoretical and historical aspects of Shreevidyakhandmahayog as the highest spiritual discipline. This is a book written by H H Shrigurudev Shriniwasji in English. It is a guide to curious people about Shreevidyakhandmahayog as the highest spiritual discipline. It includes both the theoretical aspects of Shreevidyaakhandmahayog as a spiritual tradition and the historical account of how the said tradition has travelled from the immemorial times down to the present modern era. The book also talks about the invaluable contributions made by Shreevidyamahayogins to propagate and enrich the tradition through different periods of history.