The Art of War one looks more like "The Art of War In The Middle Ages" by C.W.C.Oman https://www.goodreads.com/book/show/89265.The_Art_of_War_in_the_Middle_Age

The Art of War one looks more like "The Art of War In The Middle Ages" by C.W.C.Oman https://www.goodreads.com/book/show/89265.The_Art_of_War_in_the_Middle_Ages?from_search=true&search_version=service https://www.goodreads.com/book/show/89265.The_Art_of_War_in_... http://www.amazon.com/Art-War-Middle-Ages/dp/1481954636/ref=sr_1_1?ie=UTF8&qid=1445400393&sr=8-1&keywords=The+Art+of+War+in+the+Middle+Ages+oman http://www.amazon.com/Art-War-Middle-Ages/dp/1481954636/ref=...