June 1972 DAW MASS MARKET PAPERBACK, 4th printing. Gordon R. Dickson (The Dragon and the George). Tactics of Mistake is a science fiction novel by American writer Gordon R. Dickson, first published as a serial in Analog in 1970-1971. It is part of Dickson's Childe Cycle series, in which mankind has reached the stars and divided into specialized splinter groups. - Wikipedia
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