Under Wellington's Command is the sequel to With Moore at Corunna. The book picks up where the last book left off when Portugal is freed from the French in 1809. Terence O'Connor is still in command of the Minho regiment of Portuguese, and serves with distinction on detached duty in harassing the French and gaining information. His command being on the edge the allied army, is constantly engaged in skirmishes and in the great battles of the Peninsular War. - Summary by Charles Sapp