After the Peace of Amiens was broken in 1803, Great Britain found herself at war with an old enemy (France) but also with a new competitor (Napoleon): the latter was the greatest military commander of his times, a man who was able to transform the French Army into the most lethal fighting machine of the early 19th century. The war experiences of 1793-1803 had not been very positive ones for the British Army; the latter was still recovering from the crushing defeats suffered during the American War of Independence and badly needed to be reformed in order to become more efficient and modern. At...