A Treatise on the Science of War and Fortification, translated for use at the US Military Academy by John M O'Connor. The book was put together for the Ecole Polytechnique and the US translation was published in 1817. O'Connor was an artillery captain with service in the War of 1812. It is two volumes with an additional volume of plates, which I do not have. The French author is Guy de Vernon. I have only Volume I in hardback, but Volume II can be found here: