Book excerpt: The original version of this text was published in 1984 as a textbook on military history for officers in the U.S. Army. The revised version includes an appendix of terms and acronyms, and concepts are explained in nontechnical terms, making it more comprehensible to the general reader. Also incorporated is a description of combined arms warfare from the late-1970s to the end of the 20th century, which takes into account developments that were not obvious in 1984. The main topics are how the major armies of the world fight on the battlefield; what concepts, weapons, and organizations have developed for this purpose; and how the different armies have influenced each other in these developments. House is a former military officer and analyst for the Joint Chiefs of Staff. c. Book News Inc.