The Pyramid Builders of Ancient Egypt: A Modern Investigation of Pharaoh's Workforce by AR David (Boston and Henley, London, 1986) The Complete Pyramids by M Lehner (London, 1997) ...

Great debate. Since at least the time of the ancient Greeks, there has been considerable debate about exactly how the Egyptians constructed King Khufu's Great Pyramid at Giza.

The recent robotic explorations of the 'air-shafts' in the Great Pyramid have demonstrated that there are still many mysteries surrounding the ancient monument. Ian Shaw discusses the debate ...