Alistair Barclay current works as Principal Post-Excavation Manager for Cotswold Archaeology and has been involved in publication for nearly 30 years in which time he has contributed to more than a dozen monographs as co-author/editor, he has also written and edited numerous articles. He was co-editor of NSG 4: Pathways and Ceremonies: the cursus monuments of Britain and Ireland. David Field is currently retired but previously worked for English Heritage (Archaeological Investigator) and has published numerous books and research articles. He was co-editor of NSG 7 (Animals in the Neolithic of Britain and Europe) and 10 (Round Mounds and Monumentality in the British Neolithic and Beyond). Jim Leary is a lecturer in archaeology at York University and previously held posts at Reading University and English Heritage. He has also published several books and numerous research papers. He is a co-editor of NSG 10 (see above) and also NSG 14 (Moving on in Neolithic Studies: understanding mobile lives).