A guide primarily for students of 18th Century North American military history, but not only for them. Concentrating on the Seven Years War / French and Indian War, reaching back to the War of the Austrian Succession and forward to the American Revolution. Covers the British regulars, colonial "provincial" troops, rangers, other auxiliaries, and Indian allies. Also French, Indian, and rebel enemies. The 2500 entries are an alphabetical listing of definitions of terms unfamiliar to modern readers, plus descriptions of British and colonial institutions, plus a gazetteer of confusing places, plus remarks on style, and on later historians' conventions.