War machines in the Middle Ages

How and with what means did our ancestors organise an attack on a fortress or fortified town in the Middle Ages ? Discover the ingenuity of war machines from the period which led to progress in the art of war, in particular siege warfare. The originality of this work lies in the combination of the author's historical knowledge and practical experience. He can boast more than thirty life-size reconstructions throughout the world which are described in this book.