How Our Civilization Began Author:Mary Kelty To build up an edequate picture of life in ancient times is an extremely difficult task for young children. First they must break down the picture of life as they know it, --that is, of modern conditions, -so that they may not read the present back into the past. This process of dissociation is probably more difficult than is the process of bu... more »ilding up new associations. The reader is placed in the position of early man, and is confronted with his needs and the urgent demand for their solution.« less