The oldest and most characteristically Celtic type of design, spiral patterns illustrate vividly the continuity between pagan and Christian Celtic art. Spirals are a constant presence, from the art of Late Stone Age Central Europe, through megalithic temple sculptures, the La Tene bronzes of the Gauls and Britons, and Pictish jewels, to the marvellous system of Celtic art's golden age in the early middle ages. Aidan Meehan gives detailed practical...