The staircase dates back to the very beginning of architectural history. Virtually every significant building from the ziggurats of ancient Mesopotamia to the present day, has not only contained one or more staircases, but has celebrated them. For such an apparently simple part of a building they have been made in a bewildering variety of forms and from a wide range of materials. Every age has sought to out-perform the previous to produce ever more spectacular and gravity-defying designs.

'Staircases: History, Repair and Conservation' is the first major reference volume...