“A desperate business”: Wellington, the British Army and the Waterloo Campaign

From the publishers:
Not just another story of the Waterloo Campaign of 1815, 'A Desperate Business' concentrates solely on the British Army, beginning with the mustering of the army following Napoleon's escape from Elba, through to the build up to the campaign, to the battles of Quatre Bras and Waterloo, and continues through to the advance to and occupation of Paris. This is the paperback reprint.
 
About the author:
Ian Fletcher has published widely on the Napoleonic and Crimean wars and runs a Napoleonic battlefield tour company.