Tolstoy's 1893 book, subtitled ""Christianity Not as a Mystical Teaching but as a New Concept of Life,"" introduced such vital concepts as non-violent resistance to 20th Century figures as Mahatma Gandhi and Martin Luther King. Although Tolstoy is best known as one of the great Russian novelists, his place as a social reformer and peace advocate cannot be underestimated. | The Kingdom Of God Is Within You by Leo Tolstoy, Paperback | Indigo Chapters