This is a well-written and Thorough treatment of the development of tactics from the Prussian time of Great Frederickthe through several Attempts at modernization, culminating in the successful formula They Found After 1813. Other volumes in the series concentrate on this goal alone includes infantry cavalry The Therefore as well and Provides a more rounded explanation of Prussian battlefield practice.
Read this first before Progressing to Brent Nosworthy's "Battle Tactics of Napoleon and his Enemies" for a more in-depth account.