3/6/23. The teaching stones of the outcast tribe. The Australian Aborigines do not possess a written language, they are nevertheless a very visually communicating people. The teaching stones, despite their simple form, have a deep inner significance which escapes the uninitiated observer. For the first time, the secrets of some of the stones have been revealed. This book shows the traditional way of life and the religious customs which are observed to this day through the secret teaching.