Based on his extensive study of French coal miners in the early 20th century, Cohn (sociology, Texas A&M U.) throws light on the weaknesses of the US labor movement, and proposes strategies for workers in a wide variety of tactical situations. He analyzes such implications of strikes as the financial impact, the consequences of winning and losing, espousing radical ideology, and the effect of protracted conflicts. Of interest to members or scholars of the labor movement, and to historians. Annotation c. by Book News, Inc., Portland, Or.