Book chapter in The Development of Neolithic House Societies in Orkney - Considering that Orkney is a group of relatively small islands lying off the northeast coast of the Scottish mainland, its wealth of Neolithic archaeology is truly extraordinary. An assortment of houses, chambered cairns, stone circles, standing stones and passage graves provides an unusually comprehensive range of archaeological and architectural contexts. Yet, in the early 1990s, there was a noticeable imbalance between 4th and 3rd millennium cal BC evidence, with house structures, and ‘villages’ being well represented in the latter but minimally in the former. As elsewhere in the British Isles, the archaeological visibility of the 4th millennium cal BC in Orkney ten...