In this revised and expanded edition, insights and a full coverage of recent developments in both design and construction are incorporated. The book identifies features that distinguish the forms built by man from those shaped by nature and discusses the physical and other constraints on the choices that can be made. It then looks in turn at all the elementary forms - arches, domes, beams, slabs and the like - which combine into the more complex forms of complete structures, and at the different classes of the complete forms themselves. The development of each form is traced chronologically,...