The Prussian remained in strategic and tactical precepts of the "Great Frederick." The Prussian army, commanded by old generals and equipped with outdated methods, would face a genius for war with a young officer corps from the ranks and now with wide practical military operations. Moreover, the French army was made up of conscripts motivated and well supervised.
The shock was rough for the Prussian, exceeded in all areas: strategy, operations, tactics. The Prussian armies were swept away. This "big disaster" born a feeling of revenge that will enable Prussia to set up a quality combat tool which ultimately prevail and that will be the basis for future success against Austria in 1866 and France in 1870 ...
Clausewitz took part in this campaign and was taken prisoner elsewhere in Jena.
In this book, he engages in a systematic analysis of the campaign under the critical points of Prussia as political, diplomatic and military.
This writing, now former, deserves to be advantageously supplemented by the following readings: Jena 1806 Arnaud Blin (most recent) by the famous Jena Lachouque commander and former Jena Henri Houssaye.
It lacks a card in this book to track operations.