One day in 1980, David Mowaljarlai, a Ngarinyin elder, walked into the office of one of Jutta Malnic's co-workers. He was seeking assistance to help him record cultural places in his home country in the Kimberley region of Western Australia. Jutta Malnic was at the time writing a book about the rock pictures of Australia, and was looking for assistance from Aboriginal custodians of the Kimberley region. Her book was published in 1982, but the greater outcome of her associations with David Mowaljarlai was Yorro Yorro. ' (Introduction)