The Story of Tools
The introduction of metal tools is taken by archaeologists as the beginnning of a new era in human history. A fascinating story of how tools which are used today have been developed by a long process of gradual cumulative improvement from much simpler and less effecient implements of wood, stone, bone, bronze or iron, deviced centuries, and sometimes hundreds of centuries ago by our rude ancestors or ape-like precursors. (jacket)
