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Among the many topics covered in this handy, pocket-sized guide are air and gases, carpentry and construction, pipes, pumps, computers, electronics, geology, ma

Here is the revised and expanded edition of the indispensable companion for every mental health practitioner. Improved over the first edition by input and feedb

Provides information such as military commander profiles, the war's armaments and battlefronts, timelines, oral histories, and the political, social, and econom

This handy resource includes lists, chronologies, statistics, and diagrams related to world geography, the United States, science and medicine, arts and leisure