(The fifth book in the Bolos series)
An anthology of stories edited by Bill Fawcett and Keith Laumer
The human civilizations of Earth and its colonies confront a new threat--the warlike alien Kezdai--and send out the Bolos, self-aware robotic tanks, to deal with the danger. Original.
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Used availability for Bill Fawcett's Old Guard
January 2001 : USA Mass Market Paperback