Science and Civilisation in China Volume V Part 6 is the first of the three parts dealing with the arts of war in ancient and medieval China. The present volume opens with an introduction on Chinese attitudes to warfare in general. Four major sections follow: on the making and use of simple bows; on the crossbow, the standard weapon of the Han armies, and its introduction to the Western world; on the pre-gunpowder forms of artillery, including the invention of the trebuchet; and on the art of siege warfare in which the Mohists were particularly interested. There is a good deal of material on siege-warfare available, and this final section is a substantial one, covering all aspects in detail.